Home / 875,339.20-1,207,966.92-472,931.20

Finding the Fourth Proportional to 875,339.20, 1,207,966.92 and 472,931.20

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Solution

The fourth proportional to 875,339.20, 1,207,966.92 and 472,931.20 is: 652,644.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,339.20 : 1,207,966.92 = 472,931.20 : x
  2. Step 2: Convert to fraction form
    875,339.20/1,207,966.92 = 472,931.20/x
  3. Step 3: Cross multiply
    875,339.20x = 1,207,966.92 × 472,931.20
  4. Step 4: Simplify right side
    875,339.20x = 571,285,245,035.90
  5. Step 5: Solve for x
    x = 571,285,245,035.90/875,339.20
  6. Step 6: Final answer
    x = 652,644.42

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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.