Home / 876,346.83-1,209,560.42-513,887.46

Finding the Fourth Proportional to 876,346.83, 1,209,560.42 and 513,887.46

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Solution

The fourth proportional to 876,346.83, 1,209,560.42 and 513,887.46 is: 709,283.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,346.83 : 1,209,560.42 = 513,887.46 : x
  2. Step 2: Convert to fraction form
    876,346.83/1,209,560.42 = 513,887.46/x
  3. Step 3: Cross multiply
    876,346.83x = 1,209,560.42 × 513,887.46
  4. Step 4: Simplify right side
    876,346.83x = 621,577,929,380.90
  5. Step 5: Solve for x
    x = 621,577,929,380.90/876,346.83
  6. Step 6: Final answer
    x = 709,283.02

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