Home / 501,177.28-752,407.45-430,551.76

Finding the Fourth Proportional to 501,177.28, 752,407.45 and 430,551.76

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Solution

The fourth proportional to 501,177.28, 752,407.45 and 430,551.76 is: 646,378.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,177.28 : 752,407.45 = 430,551.76 : x
  2. Step 2: Convert to fraction form
    501,177.28/752,407.45 = 430,551.76/x
  3. Step 3: Cross multiply
    501,177.28x = 752,407.45 × 430,551.76
  4. Step 4: Simplify right side
    501,177.28x = 323,950,349,681.85
  5. Step 5: Solve for x
    x = 323,950,349,681.85/501,177.28
  6. Step 6: Final answer
    x = 646,378.76

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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.