Home / 713,562.20-1,069,824.90-292,621.40

Finding the Fourth Proportional to 713,562.20, 1,069,824.90 and 292,621.40

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Solution

The fourth proportional to 713,562.20, 1,069,824.90 and 292,621.40 is: 438,719.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,562.20 : 1,069,824.90 = 292,621.40 : x
  2. Step 2: Convert to fraction form
    713,562.20/1,069,824.90 = 292,621.40/x
  3. Step 3: Cross multiply
    713,562.20x = 1,069,824.90 × 292,621.40
  4. Step 4: Simplify right side
    713,562.20x = 313,053,659,992.86
  5. Step 5: Solve for x
    x = 313,053,659,992.86/713,562.20
  6. Step 6: Final answer
    x = 438,719.51

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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.