Home / 724,004.33-999,110.70-401,707.49

Finding the Fourth Proportional to 724,004.33, 999,110.70 and 401,707.49

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Solution

The fourth proportional to 724,004.33, 999,110.70 and 401,707.49 is: 554,347.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,004.33 : 999,110.70 = 401,707.49 : x
  2. Step 2: Convert to fraction form
    724,004.33/999,110.70 = 401,707.49/x
  3. Step 3: Cross multiply
    724,004.33x = 999,110.70 × 401,707.49
  4. Step 4: Simplify right side
    724,004.33x = 401,350,246,533.59
  5. Step 5: Solve for x
    x = 401,350,246,533.59/724,004.33
  6. Step 6: Final answer
    x = 554,347.86

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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.