Home / 713,062.20-1,069,074.90-292,121.40

Finding the Fourth Proportional to 713,062.20, 1,069,074.90 and 292,121.40

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Solution

The fourth proportional to 713,062.20, 1,069,074.90 and 292,121.40 is: 437,969.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,062.20 : 1,069,074.90 = 292,121.40 : x
  2. Step 2: Convert to fraction form
    713,062.20/1,069,074.90 = 292,121.40/x
  3. Step 3: Cross multiply
    713,062.20x = 1,069,074.90 × 292,121.40
  4. Step 4: Simplify right side
    713,062.20x = 312,299,656,492.86
  5. Step 5: Solve for x
    x = 312,299,656,492.86/713,062.20
  6. Step 6: Final answer
    x = 437,969.73

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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.