Home / 808,084.30-1,114,909.22-468,484.78

Finding the Fourth Proportional to 808,084.30, 1,114,909.22 and 468,484.78

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Solution

The fourth proportional to 808,084.30, 1,114,909.22 and 468,484.78 is: 646,365.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,084.30 : 1,114,909.22 = 468,484.78 : x
  2. Step 2: Convert to fraction form
    808,084.30/1,114,909.22 = 468,484.78/x
  3. Step 3: Cross multiply
    808,084.30x = 1,114,909.22 × 468,484.78
  4. Step 4: Simplify right side
    808,084.30x = 522,318,000,651.67
  5. Step 5: Solve for x
    x = 522,318,000,651.67/808,084.30
  6. Step 6: Final answer
    x = 646,365.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.