Home / 721,883.20-1,082,824.80-497,934.40

Finding the Fourth Proportional to 721,883.20, 1,082,824.80 and 497,934.40

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Solution

The fourth proportional to 721,883.20, 1,082,824.80 and 497,934.40 is: 746,901.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,883.20 : 1,082,824.80 = 497,934.40 : x
  2. Step 2: Convert to fraction form
    721,883.20/1,082,824.80 = 497,934.40/x
  3. Step 3: Cross multiply
    721,883.20x = 1,082,824.80 × 497,934.40
  4. Step 4: Simplify right side
    721,883.20x = 539,175,717,093.12
  5. Step 5: Solve for x
    x = 539,175,717,093.12/721,883.20
  6. Step 6: Final answer
    x = 746,901.60

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1.5x scale

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.