Home / 558,861.01-769,759.07-429,552.21

Finding the Fourth Proportional to 558,861.01, 769,759.07 and 429,552.21

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Solution

The fourth proportional to 558,861.01, 769,759.07 and 429,552.21 is: 591,652.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,861.01 : 769,759.07 = 429,552.21 : x
  2. Step 2: Convert to fraction form
    558,861.01/769,759.07 = 429,552.21/x
  3. Step 3: Cross multiply
    558,861.01x = 769,759.07 × 429,552.21
  4. Step 4: Simplify right side
    558,861.01x = 330,651,707,538.28
  5. Step 5: Solve for x
    x = 330,651,707,538.28/558,861.01
  6. Step 6: Final answer
    x = 591,652.85

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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.