Home / 865,645.68-1,298,419.92-234,513.12

Finding the Fourth Proportional to 865,645.68, 1,298,419.92 and 234,513.12

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Solution

The fourth proportional to 865,645.68, 1,298,419.92 and 234,513.12 is: 351,756.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,645.68 : 1,298,419.92 = 234,513.12 : x
  2. Step 2: Convert to fraction form
    865,645.68/1,298,419.92 = 234,513.12/x
  3. Step 3: Cross multiply
    865,645.68x = 1,298,419.92 × 234,513.12
  4. Step 4: Simplify right side
    865,645.68x = 304,496,506,509.35
  5. Step 5: Solve for x
    x = 304,496,506,509.35/865,645.68
  6. Step 6: Final answer
    x = 351,756.51

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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.