Home / 688,032.60-1,031,174.10-332,280.60

Finding the Fourth Proportional to 688,032.60, 1,031,174.10 and 332,280.60

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Solution

The fourth proportional to 688,032.60, 1,031,174.10 and 332,280.60 is: 497,998.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,032.60 : 1,031,174.10 = 332,280.60 : x
  2. Step 2: Convert to fraction form
    688,032.60/1,031,174.10 = 332,280.60/x
  3. Step 3: Cross multiply
    688,032.60x = 1,031,174.10 × 332,280.60
  4. Step 4: Simplify right side
    688,032.60x = 342,639,148,652.46
  5. Step 5: Solve for x
    x = 342,639,148,652.46/688,032.60
  6. Step 6: Final answer
    x = 497,998.42

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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.