Home / 727,283.64-1,088,913.42-371,531.64

Finding the Fourth Proportional to 727,283.64, 1,088,913.42 and 371,531.64

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Solution

The fourth proportional to 727,283.64, 1,088,913.42 and 371,531.64 is: 556,269.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,283.64 : 1,088,913.42 = 371,531.64 : x
  2. Step 2: Convert to fraction form
    727,283.64/1,088,913.42 = 371,531.64/x
  3. Step 3: Cross multiply
    727,283.64x = 1,088,913.42 × 371,531.64
  4. Step 4: Simplify right side
    727,283.64x = 404,565,788,750.61
  5. Step 5: Solve for x
    x = 404,565,788,750.61/727,283.64
  6. Step 6: Final answer
    x = 556,269.61

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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.