Home / 887,004.80-1,330,507.20-325,966.40

Finding the Fourth Proportional to 887,004.80, 1,330,507.20 and 325,966.40

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Solution

The fourth proportional to 887,004.80, 1,330,507.20 and 325,966.40 is: 488,949.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,004.80 : 1,330,507.20 = 325,966.40 : x
  2. Step 2: Convert to fraction form
    887,004.80/1,330,507.20 = 325,966.40/x
  3. Step 3: Cross multiply
    887,004.80x = 1,330,507.20 × 325,966.40
  4. Step 4: Simplify right side
    887,004.80x = 433,700,642,158.08
  5. Step 5: Solve for x
    x = 433,700,642,158.08/887,004.80
  6. Step 6: Final answer
    x = 488,949.60

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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.