Home / 875,030.13-1,207,542.38-472,622.13

Finding the Fourth Proportional to 875,030.13, 1,207,542.38 and 472,622.13

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Solution

The fourth proportional to 875,030.13, 1,207,542.38 and 472,622.13 is: 652,218.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,030.13 : 1,207,542.38 = 472,622.13 : x
  2. Step 2: Convert to fraction form
    875,030.13/1,207,542.38 = 472,622.13/x
  3. Step 3: Cross multiply
    875,030.13x = 1,207,542.38 × 472,622.13
  4. Step 4: Simplify right side
    875,030.13x = 570,711,251,700.87
  5. Step 5: Solve for x
    x = 570,711,251,700.87/875,030.13
  6. Step 6: Final answer
    x = 652,218.97

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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.