Home / 865,675.15-1,298,512.73-546,810.55

Finding the Fourth Proportional to 865,675.15, 1,298,512.73 and 546,810.55

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Solution

The fourth proportional to 865,675.15, 1,298,512.73 and 546,810.55 is: 820,215.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,675.15 : 1,298,512.73 = 546,810.55 : x
  2. Step 2: Convert to fraction form
    865,675.15/1,298,512.73 = 546,810.55/x
  3. Step 3: Cross multiply
    865,675.15x = 1,298,512.73 × 546,810.55
  4. Step 4: Simplify right side
    865,675.15x = 710,040,460,073.30
  5. Step 5: Solve for x
    x = 710,040,460,073.30/865,675.15
  6. Step 6: Final answer
    x = 820,215.83

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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.