Home / 986,445.23-1,478,793.05-480,723.35

Finding the Fourth Proportional to 986,445.23, 1,478,793.05 and 480,723.35

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Solution

The fourth proportional to 986,445.23, 1,478,793.05 and 480,723.35 is: 720,658.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,445.23 : 1,478,793.05 = 480,723.35 : x
  2. Step 2: Convert to fraction form
    986,445.23/1,478,793.05 = 480,723.35/x
  3. Step 3: Cross multiply
    986,445.23x = 1,478,793.05 × 480,723.35
  4. Step 4: Simplify right side
    986,445.23x = 710,890,346,549.10
  5. Step 5: Solve for x
    x = 710,890,346,549.10/986,445.23
  6. Step 6: Final answer
    x = 720,658.71

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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.