Home / 687,939.60-1,031,034.60-332,187.60

Finding the Fourth Proportional to 687,939.60, 1,031,034.60 and 332,187.60

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Solution

The fourth proportional to 687,939.60, 1,031,034.60 and 332,187.60 is: 497,858.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,939.60 : 1,031,034.60 = 332,187.60 : x
  2. Step 2: Convert to fraction form
    687,939.60/1,031,034.60 = 332,187.60/x
  3. Step 3: Cross multiply
    687,939.60x = 1,031,034.60 × 332,187.60
  4. Step 4: Simplify right side
    687,939.60x = 342,496,909,290.96
  5. Step 5: Solve for x
    x = 342,496,909,290.96/687,939.60
  6. Step 6: Final answer
    x = 497,858.98

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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.