Home / 766,294.21-1,057,518.80-426,762.46

Finding the Fourth Proportional to 766,294.21, 1,057,518.80 and 426,762.46

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Solution

The fourth proportional to 766,294.21, 1,057,518.80 and 426,762.46 is: 588,950.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,294.21 : 1,057,518.80 = 426,762.46 : x
  2. Step 2: Convert to fraction form
    766,294.21/1,057,518.80 = 426,762.46/x
  3. Step 3: Cross multiply
    766,294.21x = 1,057,518.80 × 426,762.46
  4. Step 4: Simplify right side
    766,294.21x = 451,309,324,584.25
  5. Step 5: Solve for x
    x = 451,309,324,584.25/766,294.21
  6. Step 6: Final answer
    x = 588,950.46

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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.