Home / 844,004.70-1,164,488.06-499,689.49

Finding the Fourth Proportional to 844,004.70, 1,164,488.06 and 499,689.49

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Solution

The fourth proportional to 844,004.70, 1,164,488.06 and 499,689.49 is: 689,430.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,004.70 : 1,164,488.06 = 499,689.49 : x
  2. Step 2: Convert to fraction form
    844,004.70/1,164,488.06 = 499,689.49/x
  3. Step 3: Cross multiply
    844,004.70x = 1,164,488.06 × 499,689.49
  4. Step 4: Simplify right side
    844,004.70x = 581,882,444,812.49
  5. Step 5: Solve for x
    x = 581,882,444,812.49/844,004.70
  6. Step 6: Final answer
    x = 689,430.34

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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.