Home / 872,278.61-1,307,882.09-339,178.24

Finding the Fourth Proportional to 872,278.61, 1,307,882.09 and 339,178.24

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Solution

The fourth proportional to 872,278.61, 1,307,882.09 and 339,178.24 is: 508,559.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,278.61 : 1,307,882.09 = 339,178.24 : x
  2. Step 2: Convert to fraction form
    872,278.61/1,307,882.09 = 339,178.24/x
  3. Step 3: Cross multiply
    872,278.61x = 1,307,882.09 × 339,178.24
  4. Step 4: Simplify right side
    872,278.61x = 443,605,142,991.96
  5. Step 5: Solve for x
    x = 443,605,142,991.96/872,278.61
  6. Step 6: Final answer
    x = 508,559.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.