Home / 807,223.20-1,210,834.80-508,624.80

Finding the Fourth Proportional to 807,223.20, 1,210,834.80 and 508,624.80

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Solution

The fourth proportional to 807,223.20, 1,210,834.80 and 508,624.80 is: 762,937.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,223.20 : 1,210,834.80 = 508,624.80 : x
  2. Step 2: Convert to fraction form
    807,223.20/1,210,834.80 = 508,624.80/x
  3. Step 3: Cross multiply
    807,223.20x = 1,210,834.80 × 508,624.80
  4. Step 4: Simplify right side
    807,223.20x = 615,860,607,983.04
  5. Step 5: Solve for x
    x = 615,860,607,983.04/807,223.20
  6. Step 6: Final answer
    x = 762,937.20

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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.