Home / 724,469.60-1,087,222.80-304,047.20

Finding the Fourth Proportional to 724,469.60, 1,087,222.80 and 304,047.20

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Solution

The fourth proportional to 724,469.60, 1,087,222.80 and 304,047.20 is: 456,288.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,469.60 : 1,087,222.80 = 304,047.20 : x
  2. Step 2: Convert to fraction form
    724,469.60/1,087,222.80 = 304,047.20/x
  3. Step 3: Cross multiply
    724,469.60x = 1,087,222.80 × 304,047.20
  4. Step 4: Simplify right side
    724,469.60x = 330,567,048,116.16
  5. Step 5: Solve for x
    x = 330,567,048,116.16/724,469.60
  6. Step 6: Final answer
    x = 456,288.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.