Home / 834,854.75-1,252,180.06-355,275.72

Finding the Fourth Proportional to 834,854.75, 1,252,180.06 and 355,275.72

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Solution

The fourth proportional to 834,854.75, 1,252,180.06 and 355,275.72 is: 532,870.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,854.75 : 1,252,180.06 = 355,275.72 : x
  2. Step 2: Convert to fraction form
    834,854.75/1,252,180.06 = 355,275.72/x
  3. Step 3: Cross multiply
    834,854.75x = 1,252,180.06 × 355,275.72
  4. Step 4: Simplify right side
    834,854.75x = 444,869,173,496.38
  5. Step 5: Solve for x
    x = 444,869,173,496.38/834,854.75
  6. Step 6: Final answer
    x = 532,870.15

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1.5x scale

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.