Home / 814,915.42-1,124,654.45-475,493.02

Finding the Fourth Proportional to 814,915.42, 1,124,654.45 and 475,493.02

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Solution

The fourth proportional to 814,915.42, 1,124,654.45 and 475,493.02 is: 656,221.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,915.42 : 1,124,654.45 = 475,493.02 : x
  2. Step 2: Convert to fraction form
    814,915.42/1,124,654.45 = 475,493.02/x
  3. Step 3: Cross multiply
    814,915.42x = 1,124,654.45 × 475,493.02
  4. Step 4: Simplify right side
    814,915.42x = 534,765,338,509.47
  5. Step 5: Solve for x
    x = 534,765,338,509.47/814,915.42
  6. Step 6: Final answer
    x = 656,221.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.