Home / 724,267.72-999,474.34-401,959.08

Finding the Fourth Proportional to 724,267.72, 999,474.34 and 401,959.08

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Solution

The fourth proportional to 724,267.72, 999,474.34 and 401,959.08 is: 554,695.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,267.72 : 999,474.34 = 401,959.08 : x
  2. Step 2: Convert to fraction form
    724,267.72/999,474.34 = 401,959.08/x
  3. Step 3: Cross multiply
    724,267.72x = 999,474.34 × 401,959.08
  4. Step 4: Simplify right side
    724,267.72x = 401,747,786,190.01
  5. Step 5: Solve for x
    x = 401,747,786,190.01/724,267.72
  6. Step 6: Final answer
    x = 554,695.14

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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.