Home / 914,762.20-1,372,018.75-240,787.08

Finding the Fourth Proportional to 914,762.20, 1,372,018.75 and 240,787.08

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Solution

The fourth proportional to 914,762.20, 1,372,018.75 and 240,787.08 is: 361,147.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,762.20 : 1,372,018.75 = 240,787.08 : x
  2. Step 2: Convert to fraction form
    914,762.20/1,372,018.75 = 240,787.08/x
  3. Step 3: Cross multiply
    914,762.20x = 1,372,018.75 × 240,787.08
  4. Step 4: Simplify right side
    914,762.20x = 330,364,388,517.75
  5. Step 5: Solve for x
    x = 330,364,388,517.75/914,762.20
  6. Step 6: Final answer
    x = 361,147.84

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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.