Home / 510,821.66-766,230.24-155,834.48

Finding the Fourth Proportional to 510,821.66, 766,230.24 and 155,834.48

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Solution

The fourth proportional to 510,821.66, 766,230.24 and 155,834.48 is: 233,751.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,821.66 : 766,230.24 = 155,834.48 : x
  2. Step 2: Convert to fraction form
    510,821.66/766,230.24 = 155,834.48/x
  3. Step 3: Cross multiply
    510,821.66x = 766,230.24 × 155,834.48
  4. Step 4: Simplify right side
    510,821.66x = 119,405,091,010.68
  5. Step 5: Solve for x
    x = 119,405,091,010.68/510,821.66
  6. Step 6: Final answer
    x = 233,751.03

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1.5x scale

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.