Home / 974,990.20-1,462,668.47-442,548.65

Finding the Fourth Proportional to 974,990.20, 1,462,668.47 and 442,548.65

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Solution

The fourth proportional to 974,990.20, 1,462,668.47 and 442,548.65 is: 663,906.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,990.20 : 1,462,668.47 = 442,548.65 : x
  2. Step 2: Convert to fraction form
    974,990.20/1,462,668.47 = 442,548.65/x
  3. Step 3: Cross multiply
    974,990.20x = 1,462,668.47 × 442,548.65
  4. Step 4: Simplify right side
    974,990.20x = 647,301,956,796.07
  5. Step 5: Solve for x
    x = 647,301,956,796.07/974,990.20
  6. Step 6: Final answer
    x = 663,906.12

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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.