Home / 687,340.89-1,031,765.55-546,094.11

Finding the Fourth Proportional to 687,340.89, 1,031,765.55 and 546,094.11

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Solution

The fourth proportional to 687,340.89, 1,031,765.55 and 546,094.11 is: 819,740.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,340.89 : 1,031,765.55 = 546,094.11 : x
  2. Step 2: Convert to fraction form
    687,340.89/1,031,765.55 = 546,094.11/x
  3. Step 3: Cross multiply
    687,340.89x = 1,031,765.55 × 546,094.11
  4. Step 4: Simplify right side
    687,340.89x = 563,441,089,755.91
  5. Step 5: Solve for x
    x = 563,441,089,755.91/687,340.89
  6. Step 6: Final answer
    x = 819,740.39

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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.