Home / 901,982.12-1,244,666.82-499,565.48

Finding the Fourth Proportional to 901,982.12, 1,244,666.82 and 499,565.48

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Solution

The fourth proportional to 901,982.12, 1,244,666.82 and 499,565.48 is: 689,362.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,982.12 : 1,244,666.82 = 499,565.48 : x
  2. Step 2: Convert to fraction form
    901,982.12/1,244,666.82 = 499,565.48/x
  3. Step 3: Cross multiply
    901,982.12x = 1,244,666.82 × 499,565.48
  4. Step 4: Simplify right side
    901,982.12x = 621,792,577,373.37
  5. Step 5: Solve for x
    x = 621,792,577,373.37/901,982.12
  6. Step 6: Final answer
    x = 689,362.42

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1.5x scale

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.