Home / 887,071.90-1,330,279.80-288,052.60

Finding the Fourth Proportional to 887,071.90, 1,330,279.80 and 288,052.60

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Solution

The fourth proportional to 887,071.90, 1,330,279.80 and 288,052.60 is: 431,972.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,071.90 : 1,330,279.80 = 288,052.60 : x
  2. Step 2: Convert to fraction form
    887,071.90/1,330,279.80 = 288,052.60/x
  3. Step 3: Cross multiply
    887,071.90x = 1,330,279.80 × 288,052.60
  4. Step 4: Simplify right side
    887,071.90x = 383,190,555,117.48
  5. Step 5: Solve for x
    x = 383,190,555,117.48/887,071.90
  6. Step 6: Final answer
    x = 431,972.37

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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.