Home / 875,139.95-1,207,693.16-472,731.95

Finding the Fourth Proportional to 875,139.95, 1,207,693.16 and 472,731.95

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Solution

The fourth proportional to 875,139.95, 1,207,693.16 and 472,731.95 is: 652,370.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,139.95 : 1,207,693.16 = 472,731.95 : x
  2. Step 2: Convert to fraction form
    875,139.95/1,207,693.16 = 472,731.95/x
  3. Step 3: Cross multiply
    875,139.95x = 1,207,693.16 × 472,731.95
  4. Step 4: Simplify right side
    875,139.95x = 570,915,134,126.34
  5. Step 5: Solve for x
    x = 570,915,134,126.34/875,139.95
  6. Step 6: Final answer
    x = 652,370.10

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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.