Home / 674,028.48-930,158.64-372,221.76

Finding the Fourth Proportional to 674,028.48, 930,158.64 and 372,221.76

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Solution

The fourth proportional to 674,028.48, 930,158.64 and 372,221.76 is: 513,665.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,028.48 : 930,158.64 = 372,221.76 : x
  2. Step 2: Convert to fraction form
    674,028.48/930,158.64 = 372,221.76/x
  3. Step 3: Cross multiply
    674,028.48x = 930,158.64 × 372,221.76
  4. Step 4: Simplify right side
    674,028.48x = 346,225,286,060.01
  5. Step 5: Solve for x
    x = 346,225,286,060.01/674,028.48
  6. Step 6: Final answer
    x = 513,665.66

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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.