Home / 907,860.56-1,252,824.84-499,959.20

Finding the Fourth Proportional to 907,860.56, 1,252,824.84 and 499,959.20

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Solution

The fourth proportional to 907,860.56, 1,252,824.84 and 499,959.20 is: 689,931.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,860.56 : 1,252,824.84 = 499,959.20 : x
  2. Step 2: Convert to fraction form
    907,860.56/1,252,824.84 = 499,959.20/x
  3. Step 3: Cross multiply
    907,860.56x = 1,252,824.84 × 499,959.20
  4. Step 4: Simplify right side
    907,860.56x = 626,361,304,746.53
  5. Step 5: Solve for x
    x = 626,361,304,746.53/907,860.56
  6. Step 6: Final answer
    x = 689,931.18

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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.