Home / 822,649.91-1,233,972.36-290,042.51

Finding the Fourth Proportional to 822,649.91, 1,233,972.36 and 290,042.51

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Solution

The fourth proportional to 822,649.91, 1,233,972.36 and 290,042.51 is: 435,062.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,649.91 : 1,233,972.36 = 290,042.51 : x
  2. Step 2: Convert to fraction form
    822,649.91/1,233,972.36 = 290,042.51/x
  3. Step 3: Cross multiply
    822,649.91x = 1,233,972.36 × 290,042.51
  4. Step 4: Simplify right side
    822,649.91x = 357,904,434,395.16
  5. Step 5: Solve for x
    x = 357,904,434,395.16/822,649.91
  6. Step 6: Final answer
    x = 435,062.88

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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.