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Finding the Fourth Proportional to 975,129.33, 1,345,687 and 545,449.44

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Solution

The fourth proportional to 975,129.33, 1,345,687 and 545,449.44 is: 752,725.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,129.33 : 1,345,687 = 545,449.44 : x
  2. Step 2: Convert to fraction form
    975,129.33/1,345,687 = 545,449.44/x
  3. Step 3: Cross multiply
    975,129.33x = 1,345,687 × 545,449.44
  4. Step 4: Simplify right side
    975,129.33x = 734,004,220,565.28
  5. Step 5: Solve for x
    x = 734,004,220,565.28/975,129.33
  6. Step 6: Final answer
    x = 752,725.00

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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.