Home / 907,282.17-1,252,039.52-499,375.28

Finding the Fourth Proportional to 907,282.17, 1,252,039.52 and 499,375.28

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Solution

The fourth proportional to 907,282.17, 1,252,039.52 and 499,375.28 is: 689,132.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,282.17 : 1,252,039.52 = 499,375.28 : x
  2. Step 2: Convert to fraction form
    907,282.17/1,252,039.52 = 499,375.28/x
  3. Step 3: Cross multiply
    907,282.17x = 1,252,039.52 × 499,375.28
  4. Step 4: Simplify right side
    907,282.17x = 625,237,585,871.07
  5. Step 5: Solve for x
    x = 625,237,585,871.07/907,282.17
  6. Step 6: Final answer
    x = 689,132.45

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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.