Home / 864,008.60-1,296,012.90-546,747.80

Finding the Fourth Proportional to 864,008.60, 1,296,012.90 and 546,747.80

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Solution

The fourth proportional to 864,008.60, 1,296,012.90 and 546,747.80 is: 820,121.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,008.60 : 1,296,012.90 = 546,747.80 : x
  2. Step 2: Convert to fraction form
    864,008.60/1,296,012.90 = 546,747.80/x
  3. Step 3: Cross multiply
    864,008.60x = 1,296,012.90 × 546,747.80
  4. Step 4: Simplify right side
    864,008.60x = 708,592,201,846.62
  5. Step 5: Solve for x
    x = 708,592,201,846.62/864,008.60
  6. Step 6: Final answer
    x = 820,121.70

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Similar ratio
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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.