Home / 766,337.80-1,149,506.70-293,038.60

Finding the Fourth Proportional to 766,337.80, 1,149,506.70 and 293,038.60

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Solution

The fourth proportional to 766,337.80, 1,149,506.70 and 293,038.60 is: 439,557.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,337.80 : 1,149,506.70 = 293,038.60 : x
  2. Step 2: Convert to fraction form
    766,337.80/1,149,506.70 = 293,038.60/x
  3. Step 3: Cross multiply
    766,337.80x = 1,149,506.70 × 293,038.60
  4. Step 4: Simplify right side
    766,337.80x = 336,849,834,058.62
  5. Step 5: Solve for x
    x = 336,849,834,058.62/766,337.80
  6. Step 6: Final answer
    x = 439,557.90

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.