Home / 724,035.06-999,153.12-401,738.22

Finding the Fourth Proportional to 724,035.06, 999,153.12 and 401,738.22

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Solution

The fourth proportional to 724,035.06, 999,153.12 and 401,738.22 is: 554,390.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,035.06 : 999,153.12 = 401,738.22 : x
  2. Step 2: Convert to fraction form
    724,035.06/999,153.12 = 401,738.22/x
  3. Step 3: Cross multiply
    724,035.06x = 999,153.12 × 401,738.22
  4. Step 4: Simplify right side
    724,035.06x = 401,397,995,936.25
  5. Step 5: Solve for x
    x = 401,397,995,936.25/724,035.06
  6. Step 6: Final answer
    x = 554,390.27

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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.