Home / 949,901.45-1,424,999.88-318,962.88

Finding the Fourth Proportional to 949,901.45, 1,424,999.88 and 318,962.88

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Solution

The fourth proportional to 949,901.45, 1,424,999.88 and 318,962.88 is: 478,493.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,901.45 : 1,424,999.88 = 318,962.88 : x
  2. Step 2: Convert to fraction form
    949,901.45/1,424,999.88 = 318,962.88/x
  3. Step 3: Cross multiply
    949,901.45x = 1,424,999.88 × 318,962.88
  4. Step 4: Simplify right side
    949,901.45x = 454,522,065,724.45
  5. Step 5: Solve for x
    x = 454,522,065,724.45/949,901.45
  6. Step 6: Final answer
    x = 478,493.92

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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.