Home / 571,139.38-788,177.04-316,494.82

Finding the Fourth Proportional to 571,139.38, 788,177.04 and 316,494.82

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Solution

The fourth proportional to 571,139.38, 788,177.04 and 316,494.82 is: 436,765.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,139.38 : 788,177.04 = 316,494.82 : x
  2. Step 2: Convert to fraction form
    571,139.38/788,177.04 = 316,494.82/x
  3. Step 3: Cross multiply
    571,139.38x = 788,177.04 × 316,494.82
  4. Step 4: Simplify right side
    571,139.38x = 249,453,950,402.93
  5. Step 5: Solve for x
    x = 249,453,950,402.93/571,139.38
  6. Step 6: Final answer
    x = 436,765.45

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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.