Home / 907,972.32-1,252,952.67-499,994.43

Finding the Fourth Proportional to 907,972.32, 1,252,952.67 and 499,994.43

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Solution

The fourth proportional to 907,972.32, 1,252,952.67 and 499,994.43 is: 689,965.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,972.32 : 1,252,952.67 = 499,994.43 : x
  2. Step 2: Convert to fraction form
    907,972.32/1,252,952.67 = 499,994.43/x
  3. Step 3: Cross multiply
    907,972.32x = 1,252,952.67 × 499,994.43
  4. Step 4: Simplify right side
    907,972.32x = 626,469,350,417.57
  5. Step 5: Solve for x
    x = 626,469,350,417.57/907,972.32
  6. Step 6: Final answer
    x = 689,965.25

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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.