Home / 767,981.20-1,151,971.80-531,590.80

Finding the Fourth Proportional to 767,981.20, 1,151,971.80 and 531,590.80

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Solution

The fourth proportional to 767,981.20, 1,151,971.80 and 531,590.80 is: 797,386.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,981.20 : 1,151,971.80 = 531,590.80 : x
  2. Step 2: Convert to fraction form
    767,981.20/1,151,971.80 = 531,590.80/x
  3. Step 3: Cross multiply
    767,981.20x = 1,151,971.80 × 531,590.80
  4. Step 4: Simplify right side
    767,981.20x = 612,377,610,739.44
  5. Step 5: Solve for x
    x = 612,377,610,739.44/767,981.20
  6. Step 6: Final answer
    x = 797,386.20

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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.