Home / 567,262.05-782,821.76-309,139.04

Finding the Fourth Proportional to 567,262.05, 782,821.76 and 309,139.04

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Solution

The fourth proportional to 567,262.05, 782,821.76 and 309,139.04 is: 426,611.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,262.05 : 782,821.76 = 309,139.04 : x
  2. Step 2: Convert to fraction form
    567,262.05/782,821.76 = 309,139.04/x
  3. Step 3: Cross multiply
    567,262.05x = 782,821.76 × 309,139.04
  4. Step 4: Simplify right side
    567,262.05x = 242,000,761,917.71
  5. Step 5: Solve for x
    x = 242,000,761,917.71/567,262.05
  6. Step 6: Final answer
    x = 426,611.94

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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.