Home / 648,001.90-968,892.45-480,040.30

Finding the Fourth Proportional to 648,001.90, 968,892.45 and 480,040.30

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Solution

The fourth proportional to 648,001.90, 968,892.45 and 480,040.30 is: 717,756.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,001.90 : 968,892.45 = 480,040.30 : x
  2. Step 2: Convert to fraction form
    648,001.90/968,892.45 = 480,040.30/x
  3. Step 3: Cross multiply
    648,001.90x = 968,892.45 × 480,040.30
  4. Step 4: Simplify right side
    648,001.90x = 465,107,422,365.74
  5. Step 5: Solve for x
    x = 465,107,422,365.74/648,001.90
  6. Step 6: Final answer
    x = 717,756.26

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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.