Home / 787,019.30-1,180,237.35-254,557.70

Finding the Fourth Proportional to 787,019.30, 1,180,237.35 and 254,557.70

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Solution

The fourth proportional to 787,019.30, 1,180,237.35 and 254,557.70 is: 381,742.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,019.30 : 1,180,237.35 = 254,557.70 : x
  2. Step 2: Convert to fraction form
    787,019.30/1,180,237.35 = 254,557.70/x
  3. Step 3: Cross multiply
    787,019.30x = 1,180,237.35 × 254,557.70
  4. Step 4: Simplify right side
    787,019.30x = 300,438,505,270.10
  5. Step 5: Solve for x
    x = 300,438,505,270.10/787,019.30
  6. Step 6: Final answer
    x = 381,742.23

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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.