Home / 887,084.27-1,330,626.25-213,165.57

Finding the Fourth Proportional to 887,084.27, 1,330,626.25 and 213,165.57

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Solution

The fourth proportional to 887,084.27, 1,330,626.25 and 213,165.57 is: 319,748.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,084.27 : 1,330,626.25 = 213,165.57 : x
  2. Step 2: Convert to fraction form
    887,084.27/1,330,626.25 = 213,165.57/x
  3. Step 3: Cross multiply
    887,084.27x = 1,330,626.25 × 213,165.57
  4. Step 4: Simplify right side
    887,084.27x = 283,643,696,385.08
  5. Step 5: Solve for x
    x = 283,643,696,385.08/887,084.27
  6. Step 6: Final answer
    x = 319,748.31

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Double scale
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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.