Home / 757,612.26-1,045,501.29-418,101.30

Finding the Fourth Proportional to 757,612.26, 1,045,501.29 and 418,101.30

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Solution

The fourth proportional to 757,612.26, 1,045,501.29 and 418,101.30 is: 576,977.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,612.26 : 1,045,501.29 = 418,101.30 : x
  2. Step 2: Convert to fraction form
    757,612.26/1,045,501.29 = 418,101.30/x
  3. Step 3: Cross multiply
    757,612.26x = 1,045,501.29 × 418,101.30
  4. Step 4: Simplify right side
    757,612.26x = 437,125,448,500.68
  5. Step 5: Solve for x
    x = 437,125,448,500.68/757,612.26
  6. Step 6: Final answer
    x = 576,977.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.