Home / 875,185.50-1,207,757.10-472,777.50

Finding the Fourth Proportional to 875,185.50, 1,207,757.10 and 472,777.50

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Solution

The fourth proportional to 875,185.50, 1,207,757.10 and 472,777.50 is: 652,433.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,185.50 : 1,207,757.10 = 472,777.50 : x
  2. Step 2: Convert to fraction form
    875,185.50/1,207,757.10 = 472,777.50/x
  3. Step 3: Cross multiply
    875,185.50x = 1,207,757.10 × 472,777.50
  4. Step 4: Simplify right side
    875,185.50x = 571,000,382,345.25
  5. Step 5: Solve for x
    x = 571,000,382,345.25/875,185.50
  6. Step 6: Final answer
    x = 652,433.55

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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.