Home / 710,538.20-1,065,807.30-512,250.20

Finding the Fourth Proportional to 710,538.20, 1,065,807.30 and 512,250.20

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Solution

The fourth proportional to 710,538.20, 1,065,807.30 and 512,250.20 is: 768,375.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,538.20 : 1,065,807.30 = 512,250.20 : x
  2. Step 2: Convert to fraction form
    710,538.20/1,065,807.30 = 512,250.20/x
  3. Step 3: Cross multiply
    710,538.20x = 1,065,807.30 × 512,250.20
  4. Step 4: Simplify right side
    710,538.20x = 545,960,002,586.46
  5. Step 5: Solve for x
    x = 545,960,002,586.46/710,538.20
  6. Step 6: Final answer
    x = 768,375.30

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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.