Home / 990,769.32-1,367,268.66-538,060.32

Finding the Fourth Proportional to 990,769.32, 1,367,268.66 and 538,060.32

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Solution

The fourth proportional to 990,769.32, 1,367,268.66 and 538,060.32 is: 742,527.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,769.32 : 1,367,268.66 = 538,060.32 : x
  2. Step 2: Convert to fraction form
    990,769.32/1,367,268.66 = 538,060.32/x
  3. Step 3: Cross multiply
    990,769.32x = 1,367,268.66 × 538,060.32
  4. Step 4: Simplify right side
    990,769.32x = 735,673,012,725.57
  5. Step 5: Solve for x
    x = 735,673,012,725.57/990,769.32
  6. Step 6: Final answer
    x = 742,527.04

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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.