Home / 943,458.13-1,301,972.61-513,738.10

Finding the Fourth Proportional to 943,458.13, 1,301,972.61 and 513,738.10

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Solution

The fourth proportional to 943,458.13, 1,301,972.61 and 513,738.10 is: 708,958.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,458.13 : 1,301,972.61 = 513,738.10 : x
  2. Step 2: Convert to fraction form
    943,458.13/1,301,972.61 = 513,738.10/x
  3. Step 3: Cross multiply
    943,458.13x = 1,301,972.61 × 513,738.10
  4. Step 4: Simplify right side
    943,458.13x = 668,872,934,913.44
  5. Step 5: Solve for x
    x = 668,872,934,913.44/943,458.13
  6. Step 6: Final answer
    x = 708,958.79

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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.