Home / 770,861.35-1,063,761.98-426,712.29

Finding the Fourth Proportional to 770,861.35, 1,063,761.98 and 426,712.29

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Solution

The fourth proportional to 770,861.35, 1,063,761.98 and 426,712.29 is: 588,848.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,861.35 : 1,063,761.98 = 426,712.29 : x
  2. Step 2: Convert to fraction form
    770,861.35/1,063,761.98 = 426,712.29/x
  3. Step 3: Cross multiply
    770,861.35x = 1,063,761.98 × 426,712.29
  4. Step 4: Simplify right side
    770,861.35x = 453,920,308,367.17
  5. Step 5: Solve for x
    x = 453,920,308,367.17/770,861.35
  6. Step 6: Final answer
    x = 588,848.19

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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.