Home / 757,877.64-1,045,872.06-418,345.88

Finding the Fourth Proportional to 757,877.64, 1,045,872.06 and 418,345.88

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Solution

The fourth proportional to 757,877.64, 1,045,872.06 and 418,345.88 is: 577,317.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,877.64 : 1,045,872.06 = 418,345.88 : x
  2. Step 2: Convert to fraction form
    757,877.64/1,045,872.06 = 418,345.88/x
  3. Step 3: Cross multiply
    757,877.64x = 1,045,872.06 × 418,345.88
  4. Step 4: Simplify right side
    757,877.64x = 437,536,267,308.11
  5. Step 5: Solve for x
    x = 437,536,267,308.11/757,877.64
  6. Step 6: Final answer
    x = 577,317.82

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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.