Home / 974,384.36-1,343,983.22-635,311.88

Finding the Fourth Proportional to 974,384.36, 1,343,983.22 and 635,311.88

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Solution

The fourth proportional to 974,384.36, 1,343,983.22 and 635,311.88 is: 876,295.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,384.36 : 1,343,983.22 = 635,311.88 : x
  2. Step 2: Convert to fraction form
    974,384.36/1,343,983.22 = 635,311.88/x
  3. Step 3: Cross multiply
    974,384.36x = 1,343,983.22 × 635,311.88
  4. Step 4: Simplify right side
    974,384.36x = 853,848,496,290.18
  5. Step 5: Solve for x
    x = 853,848,496,290.18/974,384.36
  6. Step 6: Final answer
    x = 876,295.37

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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.