Home / 891,044.91-1,229,640.66-483,146.01

Finding the Fourth Proportional to 891,044.91, 1,229,640.66 and 483,146.01

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Solution

The fourth proportional to 891,044.91, 1,229,640.66 and 483,146.01 is: 666,740.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,044.91 : 1,229,640.66 = 483,146.01 : x
  2. Step 2: Convert to fraction form
    891,044.91/1,229,640.66 = 483,146.01/x
  3. Step 3: Cross multiply
    891,044.91x = 1,229,640.66 × 483,146.01
  4. Step 4: Simplify right side
    891,044.91x = 594,095,978,612.77
  5. Step 5: Solve for x
    x = 594,095,978,612.77/891,044.91
  6. Step 6: Final answer
    x = 666,740.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.