Home / 787,943.76-1,182,102.75-255,465.15

Finding the Fourth Proportional to 787,943.76, 1,182,102.75 and 255,465.15

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Solution

The fourth proportional to 787,943.76, 1,182,102.75 and 255,465.15 is: 383,258.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,943.76 : 1,182,102.75 = 255,465.15 : x
  2. Step 2: Convert to fraction form
    787,943.76/1,182,102.75 = 255,465.15/x
  3. Step 3: Cross multiply
    787,943.76x = 1,182,102.75 × 255,465.15
  4. Step 4: Simplify right side
    787,943.76x = 301,986,056,344.16
  5. Step 5: Solve for x
    x = 301,986,056,344.16/787,943.76
  6. Step 6: Final answer
    x = 383,258.39

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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.