Home / 907,527.87-1,252,365.57-499,625.64

Finding the Fourth Proportional to 907,527.87, 1,252,365.57 and 499,625.64

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Solution

The fourth proportional to 907,527.87, 1,252,365.57 and 499,625.64 is: 689,470.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,527.87 : 1,252,365.57 = 499,625.64 : x
  2. Step 2: Convert to fraction form
    907,527.87/1,252,365.57 = 499,625.64/x
  3. Step 3: Cross multiply
    907,527.87x = 1,252,365.57 × 499,625.64
  4. Step 4: Simplify right side
    907,527.87x = 625,713,949,425.22
  5. Step 5: Solve for x
    x = 625,713,949,425.22/907,527.87
  6. Step 6: Final answer
    x = 689,470.78

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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.