Home / 688,008.60-1,031,138.10-332,256.60

Finding the Fourth Proportional to 688,008.60, 1,031,138.10 and 332,256.60

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Solution

The fourth proportional to 688,008.60, 1,031,138.10 and 332,256.60 is: 497,962.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,008.60 : 1,031,138.10 = 332,256.60 : x
  2. Step 2: Convert to fraction form
    688,008.60/1,031,138.10 = 332,256.60/x
  3. Step 3: Cross multiply
    688,008.60x = 1,031,138.10 × 332,256.60
  4. Step 4: Simplify right side
    688,008.60x = 342,602,439,236.46
  5. Step 5: Solve for x
    x = 342,602,439,236.46/688,008.60
  6. Step 6: Final answer
    x = 497,962.44

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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.