Home / 566,496.40-781,588.95-321,440.62

Finding the Fourth Proportional to 566,496.40, 781,588.95 and 321,440.62

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Solution

The fourth proportional to 566,496.40, 781,588.95 and 321,440.62 is: 443,488.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,496.40 : 781,588.95 = 321,440.62 : x
  2. Step 2: Convert to fraction form
    566,496.40/781,588.95 = 321,440.62/x
  3. Step 3: Cross multiply
    566,496.40x = 781,588.95 × 321,440.62
  4. Step 4: Simplify right side
    566,496.40x = 251,234,436,673.15
  5. Step 5: Solve for x
    x = 251,234,436,673.15/566,496.40
  6. Step 6: Final answer
    x = 443,488.14

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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.