Home / 779,514.92-1,169,346.72-218,547.80

Finding the Fourth Proportional to 779,514.92, 1,169,346.72 and 218,547.80

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Solution

The fourth proportional to 779,514.92, 1,169,346.72 and 218,547.80 is: 327,842.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,514.92 : 1,169,346.72 = 218,547.80 : x
  2. Step 2: Convert to fraction form
    779,514.92/1,169,346.72 = 218,547.80/x
  3. Step 3: Cross multiply
    779,514.92x = 1,169,346.72 × 218,547.80
  4. Step 4: Simplify right side
    779,514.92x = 255,558,153,093.22
  5. Step 5: Solve for x
    x = 255,558,153,093.22/779,514.92
  6. Step 6: Final answer
    x = 327,842.54

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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.