Home / 762,675.60-1,145,325.60-497,611.20

Finding the Fourth Proportional to 762,675.60, 1,145,325.60 and 497,611.20

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Solution

The fourth proportional to 762,675.60, 1,145,325.60 and 497,611.20 is: 747,272.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,675.60 : 1,145,325.60 = 497,611.20 : x
  2. Step 2: Convert to fraction form
    762,675.60/1,145,325.60 = 497,611.20/x
  3. Step 3: Cross multiply
    762,675.60x = 1,145,325.60 × 497,611.20
  4. Step 4: Simplify right side
    762,675.60x = 569,926,846,206.72
  5. Step 5: Solve for x
    x = 569,926,846,206.72/762,675.60
  6. Step 6: Final answer
    x = 747,272.95

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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.