Home / 819,118.74-1,130,290.42-474,882.90

Finding the Fourth Proportional to 819,118.74, 1,130,290.42 and 474,882.90

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Solution

The fourth proportional to 819,118.74, 1,130,290.42 and 474,882.90 is: 655,284.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,118.74 : 1,130,290.42 = 474,882.90 : x
  2. Step 2: Convert to fraction form
    819,118.74/1,130,290.42 = 474,882.90/x
  3. Step 3: Cross multiply
    819,118.74x = 1,130,290.42 × 474,882.90
  4. Step 4: Simplify right side
    819,118.74x = 536,755,594,314.31
  5. Step 5: Solve for x
    x = 536,755,594,314.31/819,118.74
  6. Step 6: Final answer
    x = 655,284.23

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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.