Home / 650,912.20-976,944.30-384,339.40

Finding the Fourth Proportional to 650,912.20, 976,944.30 and 384,339.40

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Solution

The fourth proportional to 650,912.20, 976,944.30 and 384,339.40 is: 576,849.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,912.20 : 976,944.30 = 384,339.40 : x
  2. Step 2: Convert to fraction form
    650,912.20/976,944.30 = 384,339.40/x
  3. Step 3: Cross multiply
    650,912.20x = 976,944.30 × 384,339.40
  4. Step 4: Simplify right side
    650,912.20x = 375,478,186,095.42
  5. Step 5: Solve for x
    x = 375,478,186,095.42/650,912.20
  6. Step 6: Final answer
    x = 576,849.21

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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.