Home / 788,711.63-1,088,422.07-426,135.60

Finding the Fourth Proportional to 788,711.63, 1,088,422.07 and 426,135.60

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Solution

The fourth proportional to 788,711.63, 1,088,422.07 and 426,135.60 is: 588,067.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,711.63 : 1,088,422.07 = 426,135.60 : x
  2. Step 2: Convert to fraction form
    788,711.63/1,088,422.07 = 426,135.60/x
  3. Step 3: Cross multiply
    788,711.63x = 1,088,422.07 × 426,135.60
  4. Step 4: Simplify right side
    788,711.63x = 463,815,389,722.01
  5. Step 5: Solve for x
    x = 463,815,389,722.01/788,711.63
  6. Step 6: Final answer
    x = 588,067.14

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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.