Home / 724,561.00-999,896.40-402,271.92

Finding the Fourth Proportional to 724,561.00, 999,896.40 and 402,271.92

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Solution

The fourth proportional to 724,561.00, 999,896.40 and 402,271.92 is: 555,136.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,561.00 : 999,896.40 = 402,271.92 : x
  2. Step 2: Convert to fraction form
    724,561.00/999,896.40 = 402,271.92/x
  3. Step 3: Cross multiply
    724,561.00x = 999,896.40 × 402,271.92
  4. Step 4: Simplify right side
    724,561.00x = 402,230,244,629.09
  5. Step 5: Solve for x
    x = 402,230,244,629.09/724,561.00
  6. Step 6: Final answer
    x = 555,136.48

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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.