Home / 850,717.28-1,276,665.29-338,329.91

Finding the Fourth Proportional to 850,717.28, 1,276,665.29 and 338,329.91

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Solution

The fourth proportional to 850,717.28, 1,276,665.29 and 338,329.91 is: 507,729.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,717.28 : 1,276,665.29 = 338,329.91 : x
  2. Step 2: Convert to fraction form
    850,717.28/1,276,665.29 = 338,329.91/x
  3. Step 3: Cross multiply
    850,717.28x = 1,276,665.29 × 338,329.91
  4. Step 4: Simplify right side
    850,717.28x = 431,934,055,434.58
  5. Step 5: Solve for x
    x = 431,934,055,434.58/850,717.28
  6. Step 6: Final answer
    x = 507,729.26

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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.