Home / 907,665.87-1,252,568.55-499,759.20

Finding the Fourth Proportional to 907,665.87, 1,252,568.55 and 499,759.20

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Solution

The fourth proportional to 907,665.87, 1,252,568.55 and 499,759.20 is: 689,662.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,665.87 : 1,252,568.55 = 499,759.20 : x
  2. Step 2: Convert to fraction form
    907,665.87/1,252,568.55 = 499,759.20/x
  3. Step 3: Cross multiply
    907,665.87x = 1,252,568.55 × 499,759.20
  4. Step 4: Simplify right side
    907,665.87x = 625,982,656,493.16
  5. Step 5: Solve for x
    x = 625,982,656,493.16/907,665.87
  6. Step 6: Final answer
    x = 689,662.00

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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.