Home / 788,968.20-1,088,781.09-426,391.20

Finding the Fourth Proportional to 788,968.20, 1,088,781.09 and 426,391.20

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Solution

The fourth proportional to 788,968.20, 1,088,781.09 and 426,391.20 is: 588,422.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,968.20 : 1,088,781.09 = 426,391.20 : x
  2. Step 2: Convert to fraction form
    788,968.20/1,088,781.09 = 426,391.20/x
  3. Step 3: Cross multiply
    788,968.20x = 1,088,781.09 × 426,391.20
  4. Step 4: Simplify right side
    788,968.20x = 464,246,675,502.41
  5. Step 5: Solve for x
    x = 464,246,675,502.41/788,968.20
  6. Step 6: Final answer
    x = 588,422.54

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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.