Home / 724,054.66-999,192.20-401,764.02

Finding the Fourth Proportional to 724,054.66, 999,192.20 and 401,764.02

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Solution

The fourth proportional to 724,054.66, 999,192.20 and 401,764.02 is: 554,432.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,054.66 : 999,192.20 = 401,764.02 : x
  2. Step 2: Convert to fraction form
    724,054.66/999,192.20 = 401,764.02/x
  3. Step 3: Cross multiply
    724,054.66x = 999,192.20 × 401,764.02
  4. Step 4: Simplify right side
    724,054.66x = 401,439,475,024.64
  5. Step 5: Solve for x
    x = 401,439,475,024.64/724,054.66
  6. Step 6: Final answer
    x = 554,432.55

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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.