Home / 687,342.41-1,031,767.82-546,095.61

Finding the Fourth Proportional to 687,342.41, 1,031,767.82 and 546,095.61

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Solution

The fourth proportional to 687,342.41, 1,031,767.82 and 546,095.61 is: 819,742.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,342.41 : 1,031,767.82 = 546,095.61 : x
  2. Step 2: Convert to fraction form
    687,342.41/1,031,767.82 = 546,095.61/x
  3. Step 3: Cross multiply
    687,342.41x = 1,031,767.82 × 546,095.61
  4. Step 4: Simplify right side
    687,342.41x = 563,443,874,310.79
  5. Step 5: Solve for x
    x = 563,443,874,310.79/687,342.41
  6. Step 6: Final answer
    x = 819,742.64

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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.