Home / 907,859.56-1,252,823.46-499,958.20

Finding the Fourth Proportional to 907,859.56, 1,252,823.46 and 499,958.20

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Solution

The fourth proportional to 907,859.56, 1,252,823.46 and 499,958.20 is: 689,929.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,859.56 : 1,252,823.46 = 499,958.20 : x
  2. Step 2: Convert to fraction form
    907,859.56/1,252,823.46 = 499,958.20/x
  3. Step 3: Cross multiply
    907,859.56x = 1,252,823.46 × 499,958.20
  4. Step 4: Simplify right side
    907,859.56x = 626,359,361,979.37
  5. Step 5: Solve for x
    x = 626,359,361,979.37/907,859.56
  6. Step 6: Final answer
    x = 689,929.80

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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.