Home / 770,603.60-1,063,390.20-431,006.24

Finding the Fourth Proportional to 770,603.60, 1,063,390.20 and 431,006.24

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Solution

The fourth proportional to 770,603.60, 1,063,390.20 and 431,006.24 is: 594,764.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,603.60 : 1,063,390.20 = 431,006.24 : x
  2. Step 2: Convert to fraction form
    770,603.60/1,063,390.20 = 431,006.24/x
  3. Step 3: Cross multiply
    770,603.60x = 1,063,390.20 × 431,006.24
  4. Step 4: Simplify right side
    770,603.60x = 458,327,811,754.85
  5. Step 5: Solve for x
    x = 458,327,811,754.85/770,603.60
  6. Step 6: Final answer
    x = 594,764.69

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Double scale
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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.