Home / 766,733.04-1,149,555.24-293,019.12

Finding the Fourth Proportional to 766,733.04, 1,149,555.24 and 293,019.12

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Solution

The fourth proportional to 766,733.04, 1,149,555.24 and 293,019.12 is: 439,320.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,733.04 : 1,149,555.24 = 293,019.12 : x
  2. Step 2: Convert to fraction form
    766,733.04/1,149,555.24 = 293,019.12/x
  3. Step 3: Cross multiply
    766,733.04x = 1,149,555.24 × 293,019.12
  4. Step 4: Simplify right side
    766,733.04x = 336,841,664,816.19
  5. Step 5: Solve for x
    x = 336,841,664,816.19/766,733.04
  6. Step 6: Final answer
    x = 439,320.66

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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.