Home / 850,719.17-1,276,668.10-338,331.80

Finding the Fourth Proportional to 850,719.17, 1,276,668.10 and 338,331.80

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Solution

The fourth proportional to 850,719.17, 1,276,668.10 and 338,331.80 is: 507,732.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,719.17 : 1,276,668.10 = 338,331.80 : x
  2. Step 2: Convert to fraction form
    850,719.17/1,276,668.10 = 338,331.80/x
  3. Step 3: Cross multiply
    850,719.17x = 1,276,668.10 × 338,331.80
  4. Step 4: Simplify right side
    850,719.17x = 431,937,409,046.41
  5. Step 5: Solve for x
    x = 431,937,409,046.41/850,719.17
  6. Step 6: Final answer
    x = 507,732.08

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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.