Home / 603,387.18-905,066.76-303,787.32

Finding the Fourth Proportional to 603,387.18, 905,066.76 and 303,787.32

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Solution

The fourth proportional to 603,387.18, 905,066.76 and 303,787.32 is: 455,673.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,387.18 : 905,066.76 = 303,787.32 : x
  2. Step 2: Convert to fraction form
    603,387.18/905,066.76 = 303,787.32/x
  3. Step 3: Cross multiply
    603,387.18x = 905,066.76 × 303,787.32
  4. Step 4: Simplify right side
    603,387.18x = 274,947,805,441.48
  5. Step 5: Solve for x
    x = 274,947,805,441.48/603,387.18
  6. Step 6: Final answer
    x = 455,673.93

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Similar ratio
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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.