Home / 907,674.12-1,252,579.95-499,767.44

Finding the Fourth Proportional to 907,674.12, 1,252,579.95 and 499,767.44

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Solution

The fourth proportional to 907,674.12, 1,252,579.95 and 499,767.44 is: 689,673.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,674.12 : 1,252,579.95 = 499,767.44 : x
  2. Step 2: Convert to fraction form
    907,674.12/1,252,579.95 = 499,767.44/x
  3. Step 3: Cross multiply
    907,674.12x = 1,252,579.95 × 499,767.44
  4. Step 4: Simplify right side
    907,674.12x = 625,998,668,743.93
  5. Step 5: Solve for x
    x = 625,998,668,743.93/907,674.12
  6. Step 6: Final answer
    x = 689,673.37

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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.