Home / 664,498.10-997,731.30-514,907.30

Finding the Fourth Proportional to 664,498.10, 997,731.30 and 514,907.30

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Solution

The fourth proportional to 664,498.10, 997,731.30 and 514,907.30 is: 773,123.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,498.10 : 997,731.30 = 514,907.30 : x
  2. Step 2: Convert to fraction form
    664,498.10/997,731.30 = 514,907.30/x
  3. Step 3: Cross multiply
    664,498.10x = 997,731.30 × 514,907.30
  4. Step 4: Simplify right side
    664,498.10x = 513,739,129,808.49
  5. Step 5: Solve for x
    x = 513,739,129,808.49/664,498.10
  6. Step 6: Final answer
    x = 773,123.55

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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.