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Finding the Fourth Proportional to 898,390.40, 1,347,585.60 and 880,675.70

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Solution

The fourth proportional to 898,390.40, 1,347,585.60 and 880,675.70 is: 1,321,013.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,390.40 : 1,347,585.60 = 880,675.70 : x
  2. Step 2: Convert to fraction form
    898,390.40/1,347,585.60 = 880,675.70/x
  3. Step 3: Cross multiply
    898,390.40x = 1,347,585.60 × 880,675.70
  4. Step 4: Simplify right side
    898,390.40x = 1,186,785,891,589.92
  5. Step 5: Solve for x
    x = 1,186,785,891,589.92/898,390.40
  6. Step 6: Final answer
    x = 1,321,013.55

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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.