Home / 767,973.60-1,151,960.40-413,679.60

Finding the Fourth Proportional to 767,973.60, 1,151,960.40 and 413,679.60

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Solution

The fourth proportional to 767,973.60, 1,151,960.40 and 413,679.60 is: 620,519.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,973.60 : 1,151,960.40 = 413,679.60 : x
  2. Step 2: Convert to fraction form
    767,973.60/1,151,960.40 = 413,679.60/x
  3. Step 3: Cross multiply
    767,973.60x = 1,151,960.40 × 413,679.60
  4. Step 4: Simplify right side
    767,973.60x = 476,542,517,487.84
  5. Step 5: Solve for x
    x = 476,542,517,487.84/767,973.60
  6. Step 6: Final answer
    x = 620,519.40

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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.