Home / 687,343.89-1,031,770.05-546,097.11

Finding the Fourth Proportional to 687,343.89, 1,031,770.05 and 546,097.11

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Solution

The fourth proportional to 687,343.89, 1,031,770.05 and 546,097.11 is: 819,744.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,343.89 : 1,031,770.05 = 546,097.11 : x
  2. Step 2: Convert to fraction form
    687,343.89/1,031,770.05 = 546,097.11/x
  3. Step 3: Cross multiply
    687,343.89x = 1,031,770.05 × 546,097.11
  4. Step 4: Simplify right side
    687,343.89x = 563,446,642,489.56
  5. Step 5: Solve for x
    x = 563,446,642,489.56/687,343.89
  6. Step 6: Final answer
    x = 819,744.89

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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.