Home / 905,127.98-1,248,937.90-523,081.04

Finding the Fourth Proportional to 905,127.98, 1,248,937.90 and 523,081.04

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Solution

The fourth proportional to 905,127.98, 1,248,937.90 and 523,081.04 is: 721,771.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,127.98 : 1,248,937.90 = 523,081.04 : x
  2. Step 2: Convert to fraction form
    905,127.98/1,248,937.90 = 523,081.04/x
  3. Step 3: Cross multiply
    905,127.98x = 1,248,937.90 × 523,081.04
  4. Step 4: Simplify right side
    905,127.98x = 653,295,726,767.32
  5. Step 5: Solve for x
    x = 653,295,726,767.32/905,127.98
  6. Step 6: Final answer
    x = 721,771.67

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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.