Home / 770,747.24-1,063,632.12-431,215.76

Finding the Fourth Proportional to 770,747.24, 1,063,632.12 and 431,215.76

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Solution

The fourth proportional to 770,747.24, 1,063,632.12 and 431,215.76 is: 595,078.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,747.24 : 1,063,632.12 = 431,215.76 : x
  2. Step 2: Convert to fraction form
    770,747.24/1,063,632.12 = 431,215.76/x
  3. Step 3: Cross multiply
    770,747.24x = 1,063,632.12 × 431,215.76
  4. Step 4: Simplify right side
    770,747.24x = 458,654,932,986.21
  5. Step 5: Solve for x
    x = 458,654,932,986.21/770,747.24
  6. Step 6: Final answer
    x = 595,078.27

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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.