Home / 510,821.64-766,231.02-230,010.12

Finding the Fourth Proportional to 510,821.64, 766,231.02 and 230,010.12

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Solution

The fourth proportional to 510,821.64, 766,231.02 and 230,010.12 is: 345,014.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,821.64 : 766,231.02 = 230,010.12 : x
  2. Step 2: Convert to fraction form
    510,821.64/766,231.02 = 230,010.12/x
  3. Step 3: Cross multiply
    510,821.64x = 766,231.02 × 230,010.12
  4. Step 4: Simplify right side
    510,821.64x = 176,240,888,857.92
  5. Step 5: Solve for x
    x = 176,240,888,857.92/510,821.64
  6. Step 6: Final answer
    x = 345,014.53

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Double scale
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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.