Home / 865,731.55-1,298,597.34-234,645.36

Finding the Fourth Proportional to 865,731.55, 1,298,597.34 and 234,645.36

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Solution

The fourth proportional to 865,731.55, 1,298,597.34 and 234,645.36 is: 351,968.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,731.55 : 1,298,597.34 = 234,645.36 : x
  2. Step 2: Convert to fraction form
    865,731.55/1,298,597.34 = 234,645.36/x
  3. Step 3: Cross multiply
    865,731.55x = 1,298,597.34 × 234,645.36
  4. Step 4: Simplify right side
    865,731.55x = 304,709,840,339.34
  5. Step 5: Solve for x
    x = 304,709,840,339.34/865,731.55
  6. Step 6: Final answer
    x = 351,968.04

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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.