Home / 945,095.20-1,417,153.20-280,160.80

Finding the Fourth Proportional to 945,095.20, 1,417,153.20 and 280,160.80

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Solution

The fourth proportional to 945,095.20, 1,417,153.20 and 280,160.80 is: 420,096.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,095.20 : 1,417,153.20 = 280,160.80 : x
  2. Step 2: Convert to fraction form
    945,095.20/1,417,153.20 = 280,160.80/x
  3. Step 3: Cross multiply
    945,095.20x = 1,417,153.20 × 280,160.80
  4. Step 4: Simplify right side
    945,095.20x = 397,030,774,234.56
  5. Step 5: Solve for x
    x = 397,030,774,234.56/945,095.20
  6. Step 6: Final answer
    x = 420,096.06

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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.