Home / 887,195.10-1,330,987.05-288,054.30

Finding the Fourth Proportional to 887,195.10, 1,330,987.05 and 288,054.30

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Solution

The fourth proportional to 887,195.10, 1,330,987.05 and 288,054.30 is: 432,144.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,195.10 : 1,330,987.05 = 288,054.30 : x
  2. Step 2: Convert to fraction form
    887,195.10/1,330,987.05 = 288,054.30/x
  3. Step 3: Cross multiply
    887,195.10x = 1,330,987.05 × 288,054.30
  4. Step 4: Simplify right side
    887,195.10x = 383,396,542,996.82
  5. Step 5: Solve for x
    x = 383,396,542,996.82/887,195.10
  6. Step 6: Final answer
    x = 432,144.57

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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.