Home / 648,026.20-972,039.30-620,032.60

Finding the Fourth Proportional to 648,026.20, 972,039.30 and 620,032.60

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Solution

The fourth proportional to 648,026.20, 972,039.30 and 620,032.60 is: 930,048.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,026.20 : 972,039.30 = 620,032.60 : x
  2. Step 2: Convert to fraction form
    648,026.20/972,039.30 = 620,032.60/x
  3. Step 3: Cross multiply
    648,026.20x = 972,039.30 × 620,032.60
  4. Step 4: Simplify right side
    648,026.20x = 602,696,054,481.18
  5. Step 5: Solve for x
    x = 602,696,054,481.18/648,026.20
  6. Step 6: Final answer
    x = 930,048.90

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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.