Home / 712,225.20-1,068,337.80-634,810.80

Finding the Fourth Proportional to 712,225.20, 1,068,337.80 and 634,810.80

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Solution

The fourth proportional to 712,225.20, 1,068,337.80 and 634,810.80 is: 952,216.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,225.20 : 1,068,337.80 = 634,810.80 : x
  2. Step 2: Convert to fraction form
    712,225.20/1,068,337.80 = 634,810.80/x
  3. Step 3: Cross multiply
    712,225.20x = 1,068,337.80 × 634,810.80
  4. Step 4: Simplify right side
    712,225.20x = 678,192,373,488.24
  5. Step 5: Solve for x
    x = 678,192,373,488.24/712,225.20
  6. Step 6: Final answer
    x = 952,216.20

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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.