Home / 703,720.71-1,055,579.85-198,280.71

Finding the Fourth Proportional to 703,720.71, 1,055,579.85 and 198,280.71

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Solution

The fourth proportional to 703,720.71, 1,055,579.85 and 198,280.71 is: 297,420.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,720.71 : 1,055,579.85 = 198,280.71 : x
  2. Step 2: Convert to fraction form
    703,720.71/1,055,579.85 = 198,280.71/x
  3. Step 3: Cross multiply
    703,720.71x = 1,055,579.85 × 198,280.71
  4. Step 4: Simplify right side
    703,720.71x = 209,301,122,119.69
  5. Step 5: Solve for x
    x = 209,301,122,119.69/703,720.71
  6. Step 6: Final answer
    x = 297,420.72

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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.