Home / 887,449.02-1,224,679.23-485,041.02

Finding the Fourth Proportional to 887,449.02, 1,224,679.23 and 485,041.02

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Solution

The fourth proportional to 887,449.02, 1,224,679.23 and 485,041.02 is: 669,356.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,449.02 : 1,224,679.23 = 485,041.02 : x
  2. Step 2: Convert to fraction form
    887,449.02/1,224,679.23 = 485,041.02/x
  3. Step 3: Cross multiply
    887,449.02x = 1,224,679.23 × 485,041.02
  4. Step 4: Simplify right side
    887,449.02x = 594,019,662,892.02
  5. Step 5: Solve for x
    x = 594,019,662,892.02/887,449.02
  6. Step 6: Final answer
    x = 669,356.38

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.