Home / 738,562.60-1,105,511.10-715,234.60

Finding the Fourth Proportional to 738,562.60, 1,105,511.10 and 715,234.60

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Solution

The fourth proportional to 738,562.60, 1,105,511.10 and 715,234.60 is: 1,070,592.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,562.60 : 1,105,511.10 = 715,234.60 : x
  2. Step 2: Convert to fraction form
    738,562.60/1,105,511.10 = 715,234.60/x
  3. Step 3: Cross multiply
    738,562.60x = 1,105,511.10 × 715,234.60
  4. Step 4: Simplify right side
    738,562.60x = 790,699,789,404.06
  5. Step 5: Solve for x
    x = 790,699,789,404.06/738,562.60
  6. Step 6: Final answer
    x = 1,070,592.78

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1.5x scale

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.