Home / 787,329.20-1,179,244.20-609,258.80

Finding the Fourth Proportional to 787,329.20, 1,179,244.20 and 609,258.80

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Solution

The fourth proportional to 787,329.20, 1,179,244.20 and 609,258.80 is: 912,534.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,329.20 : 1,179,244.20 = 609,258.80 : x
  2. Step 2: Convert to fraction form
    787,329.20/1,179,244.20 = 609,258.80/x
  3. Step 3: Cross multiply
    787,329.20x = 1,179,244.20 × 609,258.80
  4. Step 4: Simplify right side
    787,329.20x = 718,464,906,198.96
  5. Step 5: Solve for x
    x = 718,464,906,198.96/787,329.20
  6. Step 6: Final answer
    x = 912,534.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.