Home / 971,391.32-1,456,955.74-261,461.96

Finding the Fourth Proportional to 971,391.32, 1,456,955.74 and 261,461.96

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Solution

The fourth proportional to 971,391.32, 1,456,955.74 and 261,461.96 is: 392,157.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,391.32 : 1,456,955.74 = 261,461.96 : x
  2. Step 2: Convert to fraction form
    971,391.32/1,456,955.74 = 261,461.96/x
  3. Step 3: Cross multiply
    971,391.32x = 1,456,955.74 × 261,461.96
  4. Step 4: Simplify right side
    971,391.32x = 380,938,501,919.28
  5. Step 5: Solve for x
    x = 380,938,501,919.28/971,391.32
  6. Step 6: Final answer
    x = 392,157.61

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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.