Home / 851,719.02-1,274,921.10-627,332.82

Finding the Fourth Proportional to 851,719.02, 1,274,921.10 and 627,332.82

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Solution

The fourth proportional to 851,719.02, 1,274,921.10 and 627,332.82 is: 939,041.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,719.02 : 1,274,921.10 = 627,332.82 : x
  2. Step 2: Convert to fraction form
    851,719.02/1,274,921.10 = 627,332.82/x
  3. Step 3: Cross multiply
    851,719.02x = 1,274,921.10 × 627,332.82
  4. Step 4: Simplify right side
    851,719.02x = 799,799,848,940.50
  5. Step 5: Solve for x
    x = 799,799,848,940.50/851,719.02
  6. Step 6: Final answer
    x = 939,041.90

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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.