Home / 884,627.20-1,327,459.20-323,718.40

Finding the Fourth Proportional to 884,627.20, 1,327,459.20 and 323,718.40

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Solution

The fourth proportional to 884,627.20, 1,327,459.20 and 323,718.40 is: 485,767.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,627.20 : 1,327,459.20 = 323,718.40 : x
  2. Step 2: Convert to fraction form
    884,627.20/1,327,459.20 = 323,718.40/x
  3. Step 3: Cross multiply
    884,627.20x = 1,327,459.20 × 323,718.40
  4. Step 4: Simplify right side
    884,627.20x = 429,722,968,289.28
  5. Step 5: Solve for x
    x = 429,722,968,289.28/884,627.20
  6. Step 6: Final answer
    x = 485,767.30

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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.