Home / 458,704.20-688,056.30-364,225.80

Finding the Fourth Proportional to 458,704.20, 688,056.30 and 364,225.80

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Solution

The fourth proportional to 458,704.20, 688,056.30 and 364,225.80 is: 546,338.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,704.20 : 688,056.30 = 364,225.80 : x
  2. Step 2: Convert to fraction form
    458,704.20/688,056.30 = 364,225.80/x
  3. Step 3: Cross multiply
    458,704.20x = 688,056.30 × 364,225.80
  4. Step 4: Simplify right side
    458,704.20x = 250,607,856,312.54
  5. Step 5: Solve for x
    x = 250,607,856,312.54/458,704.20
  6. Step 6: Final answer
    x = 546,338.70

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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.