Home / 762,252.66-1,051,910.19-418,091.40

Finding the Fourth Proportional to 762,252.66, 1,051,910.19 and 418,091.40

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Solution

The fourth proportional to 762,252.66, 1,051,910.19 and 418,091.40 is: 576,966.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,252.66 : 1,051,910.19 = 418,091.40 : x
  2. Step 2: Convert to fraction form
    762,252.66/1,051,910.19 = 418,091.40/x
  3. Step 3: Cross multiply
    762,252.66x = 1,051,910.19 × 418,091.40
  4. Step 4: Simplify right side
    762,252.66x = 439,794,604,011.37
  5. Step 5: Solve for x
    x = 439,794,604,011.37/762,252.66
  6. Step 6: Final answer
    x = 576,966.97

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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.