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Finding the Fourth Proportional to 980,572.72, 1,470,016.68 and 340,793.34

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Solution

The fourth proportional to 980,572.72, 1,470,016.68 and 340,793.34 is: 510,897.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,572.72 : 1,470,016.68 = 340,793.34 : x
  2. Step 2: Convert to fraction form
    980,572.72/1,470,016.68 = 340,793.34/x
  3. Step 3: Cross multiply
    980,572.72x = 1,470,016.68 × 340,793.34
  4. Step 4: Simplify right side
    980,572.72x = 500,971,894,232.91
  5. Step 5: Solve for x
    x = 500,971,894,232.91/980,572.72
  6. Step 6: Final answer
    x = 510,897.24

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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.