Home / 648,027.20-972,040.80-613,035.20

Finding the Fourth Proportional to 648,027.20, 972,040.80 and 613,035.20

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Solution

The fourth proportional to 648,027.20, 972,040.80 and 613,035.20 is: 919,552.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,027.20 : 972,040.80 = 613,035.20 : x
  2. Step 2: Convert to fraction form
    648,027.20/972,040.80 = 613,035.20/x
  3. Step 3: Cross multiply
    648,027.20x = 972,040.80 × 613,035.20
  4. Step 4: Simplify right side
    648,027.20x = 595,895,226,236.16
  5. Step 5: Solve for x
    x = 595,895,226,236.16/648,027.20
  6. Step 6: Final answer
    x = 919,552.80

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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.