Home / 864,060.60-1,295,702.10-331,404.60

Finding the Fourth Proportional to 864,060.60, 1,295,702.10 and 331,404.60

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Solution

The fourth proportional to 864,060.60, 1,295,702.10 and 331,404.60 is: 496,957.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,060.60 : 1,295,702.10 = 331,404.60 : x
  2. Step 2: Convert to fraction form
    864,060.60/1,295,702.10 = 331,404.60/x
  3. Step 3: Cross multiply
    864,060.60x = 1,295,702.10 × 331,404.60
  4. Step 4: Simplify right side
    864,060.60x = 429,401,636,169.66
  5. Step 5: Solve for x
    x = 429,401,636,169.66/864,060.60
  6. Step 6: Final answer
    x = 496,957.78

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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.