Home / 727,280.64-1,088,908.92-371,528.64

Finding the Fourth Proportional to 727,280.64, 1,088,908.92 and 371,528.64

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Solution

The fourth proportional to 727,280.64, 1,088,908.92 and 371,528.64 is: 556,265.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,280.64 : 1,088,908.92 = 371,528.64 : x
  2. Step 2: Convert to fraction form
    727,280.64/1,088,908.92 = 371,528.64/x
  3. Step 3: Cross multiply
    727,280.64x = 1,088,908.92 × 371,528.64
  4. Step 4: Simplify right side
    727,280.64x = 404,560,850,131.47
  5. Step 5: Solve for x
    x = 404,560,850,131.47/727,280.64
  6. Step 6: Final answer
    x = 556,265.12

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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.