Home / 949,635.12-1,424,666.08-318,532.80

Finding the Fourth Proportional to 949,635.12, 1,424,666.08 and 318,532.80

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Solution

The fourth proportional to 949,635.12, 1,424,666.08 and 318,532.80 is: 477,870.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,635.12 : 1,424,666.08 = 318,532.80 : x
  2. Step 2: Convert to fraction form
    949,635.12/1,424,666.08 = 318,532.80/x
  3. Step 3: Cross multiply
    949,635.12x = 1,424,666.08 × 318,532.80
  4. Step 4: Simplify right side
    949,635.12x = 453,802,875,527.42
  5. Step 5: Solve for x
    x = 453,802,875,527.42/949,635.12
  6. Step 6: Final answer
    x = 477,870.78

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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.