Home / 907,161.34-1,251,835.94-499,301.90

Finding the Fourth Proportional to 907,161.34, 1,251,835.94 and 499,301.90

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Solution

The fourth proportional to 907,161.34, 1,251,835.94 and 499,301.90 is: 689,010.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,161.34 : 1,251,835.94 = 499,301.90 : x
  2. Step 2: Convert to fraction form
    907,161.34/1,251,835.94 = 499,301.90/x
  3. Step 3: Cross multiply
    907,161.34x = 1,251,835.94 × 499,301.90
  4. Step 4: Simplify right side
    907,161.34x = 625,044,063,330.29
  5. Step 5: Solve for x
    x = 625,044,063,330.29/907,161.34
  6. Step 6: Final answer
    x = 689,010.91

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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.