Home / 563,134.31-776,935.10-321,246.71

Finding the Fourth Proportional to 563,134.31, 776,935.10 and 321,246.71

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Solution

The fourth proportional to 563,134.31, 776,935.10 and 321,246.71 is: 443,211.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,134.31 : 776,935.10 = 321,246.71 : x
  2. Step 2: Convert to fraction form
    563,134.31/776,935.10 = 321,246.71/x
  3. Step 3: Cross multiply
    563,134.31x = 776,935.10 × 321,246.71
  4. Step 4: Simplify right side
    563,134.31x = 249,587,843,152.29
  5. Step 5: Solve for x
    x = 249,587,843,152.29/563,134.31
  6. Step 6: Final answer
    x = 443,211.93

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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.