Home / 971,163.30-1,456,399.35-438,939.30

Finding the Fourth Proportional to 971,163.30, 1,456,399.35 and 438,939.30

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Solution

The fourth proportional to 971,163.30, 1,456,399.35 and 438,939.30 is: 658,252.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,163.30 : 1,456,399.35 = 438,939.30 : x
  2. Step 2: Convert to fraction form
    971,163.30/1,456,399.35 = 438,939.30/x
  3. Step 3: Cross multiply
    971,163.30x = 1,456,399.35 × 438,939.30
  4. Step 4: Simplify right side
    971,163.30x = 639,270,911,209.46
  5. Step 5: Solve for x
    x = 639,270,911,209.46/971,163.30
  6. Step 6: Final answer
    x = 658,252.75

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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.