Home / 918,917.71-1,378,442.41-244,995.49

Finding the Fourth Proportional to 918,917.71, 1,378,442.41 and 244,995.49

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Solution

The fourth proportional to 918,917.71, 1,378,442.41 and 244,995.49 is: 367,510.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,917.71 : 1,378,442.41 = 244,995.49 : x
  2. Step 2: Convert to fraction form
    918,917.71/1,378,442.41 = 244,995.49/x
  3. Step 3: Cross multiply
    918,917.71x = 1,378,442.41 × 244,995.49
  4. Step 4: Simplify right side
    918,917.71x = 337,712,167,031.56
  5. Step 5: Solve for x
    x = 337,712,167,031.56/918,917.71
  6. Step 6: Final answer
    x = 367,510.78

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1.5x scale

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.