Home / 770,486.76-1,063,251.24-426,313.71

Finding the Fourth Proportional to 770,486.76, 1,063,251.24 and 426,313.71

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Solution

The fourth proportional to 770,486.76, 1,063,251.24 and 426,313.71 is: 588,301.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,486.76 : 1,063,251.24 = 426,313.71 : x
  2. Step 2: Convert to fraction form
    770,486.76/1,063,251.24 = 426,313.71/x
  3. Step 3: Cross multiply
    770,486.76x = 1,063,251.24 × 426,313.71
  4. Step 4: Simplify right side
    770,486.76x = 453,278,580,786.50
  5. Step 5: Solve for x
    x = 453,278,580,786.50/770,486.76
  6. Step 6: Final answer
    x = 588,301.58

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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.