Home / 639,839.37-959,020.83-240,225.27

Finding the Fourth Proportional to 639,839.37, 959,020.83 and 240,225.27

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Solution

The fourth proportional to 639,839.37, 959,020.83 and 240,225.27 is: 360,060.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,839.37 : 959,020.83 = 240,225.27 : x
  2. Step 2: Convert to fraction form
    639,839.37/959,020.83 = 240,225.27/x
  3. Step 3: Cross multiply
    639,839.37x = 959,020.83 × 240,225.27
  4. Step 4: Simplify right side
    639,839.37x = 230,381,037,822.37
  5. Step 5: Solve for x
    x = 230,381,037,822.37/639,839.37
  6. Step 6: Final answer
    x = 360,060.74

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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.