Home / 757,876.64-1,045,870.68-418,344.88

Finding the Fourth Proportional to 757,876.64, 1,045,870.68 and 418,344.88

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Solution

The fourth proportional to 757,876.64, 1,045,870.68 and 418,344.88 is: 577,316.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,876.64 : 1,045,870.68 = 418,344.88 : x
  2. Step 2: Convert to fraction form
    757,876.64/1,045,870.68 = 418,344.88/x
  3. Step 3: Cross multiply
    757,876.64x = 1,045,870.68 × 418,344.88
  4. Step 4: Simplify right side
    757,876.64x = 437,534,644,120.12
  5. Step 5: Solve for x
    x = 437,534,644,120.12/757,876.64
  6. Step 6: Final answer
    x = 577,316.44

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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.