Home / 756,638.22-1,132,955.01-456,717.90

Finding the Fourth Proportional to 756,638.22, 1,132,955.01 and 456,717.90

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Solution

The fourth proportional to 756,638.22, 1,132,955.01 and 456,717.90 is: 683,868.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,638.22 : 1,132,955.01 = 456,717.90 : x
  2. Step 2: Convert to fraction form
    756,638.22/1,132,955.01 = 456,717.90/x
  3. Step 3: Cross multiply
    756,638.22x = 1,132,955.01 × 456,717.90
  4. Step 4: Simplify right side
    756,638.22x = 517,440,832,961.68
  5. Step 5: Solve for x
    x = 517,440,832,961.68/756,638.22
  6. Step 6: Final answer
    x = 683,868.22

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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.