Home / 949,288.12-1,424,145.48-318,185.80

Finding the Fourth Proportional to 949,288.12, 1,424,145.48 and 318,185.80

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Solution

The fourth proportional to 949,288.12, 1,424,145.48 and 318,185.80 is: 477,350.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,288.12 : 1,424,145.48 = 318,185.80 : x
  2. Step 2: Convert to fraction form
    949,288.12/1,424,145.48 = 318,185.80/x
  3. Step 3: Cross multiply
    949,288.12x = 1,424,145.48 × 318,185.80
  4. Step 4: Simplify right side
    949,288.12x = 453,142,868,870.18
  5. Step 5: Solve for x
    x = 453,142,868,870.18/949,288.12
  6. Step 6: Final answer
    x = 477,350.19

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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.