Home / 709,216.20-1,063,824.30-288,793.80

Finding the Fourth Proportional to 709,216.20, 1,063,824.30 and 288,793.80

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Solution

The fourth proportional to 709,216.20, 1,063,824.30 and 288,793.80 is: 433,190.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,216.20 : 1,063,824.30 = 288,793.80 : x
  2. Step 2: Convert to fraction form
    709,216.20/1,063,824.30 = 288,793.80/x
  3. Step 3: Cross multiply
    709,216.20x = 1,063,824.30 × 288,793.80
  4. Step 4: Simplify right side
    709,216.20x = 307,225,862,129.34
  5. Step 5: Solve for x
    x = 307,225,862,129.34/709,216.20
  6. Step 6: Final answer
    x = 433,190.70

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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.