Home / 887,132.70-1,330,407.45-326,094.30

Finding the Fourth Proportional to 887,132.70, 1,330,407.45 and 326,094.30

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Solution

The fourth proportional to 887,132.70, 1,330,407.45 and 326,094.30 is: 489,034.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,132.70 : 1,330,407.45 = 326,094.30 : x
  2. Step 2: Convert to fraction form
    887,132.70/1,330,407.45 = 326,094.30/x
  3. Step 3: Cross multiply
    887,132.70x = 1,330,407.45 × 326,094.30
  4. Step 4: Simplify right side
    887,132.70x = 433,838,286,122.54
  5. Step 5: Solve for x
    x = 433,838,286,122.54/887,132.70
  6. Step 6: Final answer
    x = 489,034.26

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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.