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Finding the Fourth Proportional to 652,380.30, 977,404.05 and 559,068.30

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Solution

The fourth proportional to 652,380.30, 977,404.05 and 559,068.30 is: 837,602.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,380.30 : 977,404.05 = 559,068.30 : x
  2. Step 2: Convert to fraction form
    652,380.30/977,404.05 = 559,068.30/x
  3. Step 3: Cross multiply
    652,380.30x = 977,404.05 × 559,068.30
  4. Step 4: Simplify right side
    652,380.30x = 546,435,620,646.62
  5. Step 5: Solve for x
    x = 546,435,620,646.62/652,380.30
  6. Step 6: Final answer
    x = 837,602.88

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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.