Home / 990,023.65-1,366,233.20-537,314.65

Finding the Fourth Proportional to 990,023.65, 1,366,233.20 and 537,314.65

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Solution

The fourth proportional to 990,023.65, 1,366,233.20 and 537,314.65 is: 741,494.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,023.65 : 1,366,233.20 = 537,314.65 : x
  2. Step 2: Convert to fraction form
    990,023.65/1,366,233.20 = 537,314.65/x
  3. Step 3: Cross multiply
    990,023.65x = 1,366,233.20 × 537,314.65
  4. Step 4: Simplify right side
    990,023.65x = 734,097,113,463.97
  5. Step 5: Solve for x
    x = 734,097,113,463.97/990,023.65
  6. Step 6: Final answer
    x = 741,494.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.