Home / 724,292.69-999,508.82-401,983.56

Finding the Fourth Proportional to 724,292.69, 999,508.82 and 401,983.56

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Solution

The fourth proportional to 724,292.69, 999,508.82 and 401,983.56 is: 554,728.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,292.69 : 999,508.82 = 401,983.56 : x
  2. Step 2: Convert to fraction form
    724,292.69/999,508.82 = 401,983.56/x
  3. Step 3: Cross multiply
    724,292.69x = 999,508.82 × 401,983.56
  4. Step 4: Simplify right side
    724,292.69x = 401,786,111,705.08
  5. Step 5: Solve for x
    x = 401,786,111,705.08/724,292.69
  6. Step 6: Final answer
    x = 554,728.94

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1.5x scale

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.