Home / 916,933.80-1,375,400.70-633,498.60

Finding the Fourth Proportional to 916,933.80, 1,375,400.70 and 633,498.60

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Solution

The fourth proportional to 916,933.80, 1,375,400.70 and 633,498.60 is: 950,247.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,933.80 : 1,375,400.70 = 633,498.60 : x
  2. Step 2: Convert to fraction form
    916,933.80/1,375,400.70 = 633,498.60/x
  3. Step 3: Cross multiply
    916,933.80x = 1,375,400.70 × 633,498.60
  4. Step 4: Simplify right side
    916,933.80x = 871,314,417,889.02
  5. Step 5: Solve for x
    x = 871,314,417,889.02/916,933.80
  6. Step 6: Final answer
    x = 950,247.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.