Home / 703,489.54-1,055,254.02-438,016.90

Finding the Fourth Proportional to 703,489.54, 1,055,254.02 and 438,016.90

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Solution

The fourth proportional to 703,489.54, 1,055,254.02 and 438,016.90 is: 657,037.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,489.54 : 1,055,254.02 = 438,016.90 : x
  2. Step 2: Convert to fraction form
    703,489.54/1,055,254.02 = 438,016.90/x
  3. Step 3: Cross multiply
    703,489.54x = 1,055,254.02 × 438,016.90
  4. Step 4: Simplify right side
    703,489.54x = 462,219,094,552.94
  5. Step 5: Solve for x
    x = 462,219,094,552.94/703,489.54
  6. Step 6: Final answer
    x = 657,037.62

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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.