Home / 724,015.36-999,125.86-401,718.52

Finding the Fourth Proportional to 724,015.36, 999,125.86 and 401,718.52

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Solution

The fourth proportional to 724,015.36, 999,125.86 and 401,718.52 is: 554,363.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,015.36 : 999,125.86 = 401,718.52 : x
  2. Step 2: Convert to fraction form
    724,015.36/999,125.86 = 401,718.52/x
  3. Step 3: Cross multiply
    724,015.36x = 999,125.86 × 401,718.52
  4. Step 4: Simplify right side
    724,015.36x = 401,367,361,772.93
  5. Step 5: Solve for x
    x = 401,367,361,772.93/724,015.36
  6. Step 6: Final answer
    x = 554,363.05

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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.