Home / 746,894.22-1,119,767.09-386,678.91

Finding the Fourth Proportional to 746,894.22, 1,119,767.09 and 386,678.91

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Solution

The fourth proportional to 746,894.22, 1,119,767.09 and 386,678.91 is: 579,721.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,894.22 : 1,119,767.09 = 386,678.91 : x
  2. Step 2: Convert to fraction form
    746,894.22/1,119,767.09 = 386,678.91/x
  3. Step 3: Cross multiply
    746,894.22x = 1,119,767.09 × 386,678.91
  4. Step 4: Simplify right side
    746,894.22x = 432,990,320,080.80
  5. Step 5: Solve for x
    x = 432,990,320,080.80/746,894.22
  6. Step 6: Final answer
    x = 579,721.08

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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.