Home / 791,739.20-1,092,579.36-429,147.20

Finding the Fourth Proportional to 791,739.20, 1,092,579.36 and 429,147.20

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Solution

The fourth proportional to 791,739.20, 1,092,579.36 and 429,147.20 is: 592,211.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,739.20 : 1,092,579.36 = 429,147.20 : x
  2. Step 2: Convert to fraction form
    791,739.20/1,092,579.36 = 429,147.20/x
  3. Step 3: Cross multiply
    791,739.20x = 1,092,579.36 × 429,147.20
  4. Step 4: Simplify right side
    791,739.20x = 468,877,373,121.79
  5. Step 5: Solve for x
    x = 468,877,373,121.79/791,739.20
  6. Step 6: Final answer
    x = 592,211.90

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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.