Home / 675,275.40-1,012,913.11-275,915.81

Finding the Fourth Proportional to 675,275.40, 1,012,913.11 and 275,915.81

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Solution

The fourth proportional to 675,275.40, 1,012,913.11 and 275,915.81 is: 413,873.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,275.40 : 1,012,913.11 = 275,915.81 : x
  2. Step 2: Convert to fraction form
    675,275.40/1,012,913.11 = 275,915.81/x
  3. Step 3: Cross multiply
    675,275.40x = 1,012,913.11 × 275,915.81
  4. Step 4: Simplify right side
    675,275.40x = 279,478,741,205.27
  5. Step 5: Solve for x
    x = 279,478,741,205.27/675,275.40
  6. Step 6: Final answer
    x = 413,873.72

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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.