Home / 887,006.80-1,330,510.20-325,968.40

Finding the Fourth Proportional to 887,006.80, 1,330,510.20 and 325,968.40

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Solution

The fourth proportional to 887,006.80, 1,330,510.20 and 325,968.40 is: 488,952.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,006.80 : 1,330,510.20 = 325,968.40 : x
  2. Step 2: Convert to fraction form
    887,006.80/1,330,510.20 = 325,968.40/x
  3. Step 3: Cross multiply
    887,006.80x = 1,330,510.20 × 325,968.40
  4. Step 4: Simplify right side
    887,006.80x = 433,704,281,077.68
  5. Step 5: Solve for x
    x = 433,704,281,077.68/887,006.80
  6. Step 6: Final answer
    x = 488,952.60

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Double scale
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Similar ratio
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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.