Home / 779,005.11-1,168,507.65-188,029.11

Finding the Fourth Proportional to 779,005.11, 1,168,507.65 and 188,029.11

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Solution

The fourth proportional to 779,005.11, 1,168,507.65 and 188,029.11 is: 282,043.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,005.11 : 1,168,507.65 = 188,029.11 : x
  2. Step 2: Convert to fraction form
    779,005.11/1,168,507.65 = 188,029.11/x
  3. Step 3: Cross multiply
    779,005.11x = 1,168,507.65 × 188,029.11
  4. Step 4: Simplify right side
    779,005.11x = 219,713,453,457.69
  5. Step 5: Solve for x
    x = 219,713,453,457.69/779,005.11
  6. Step 6: Final answer
    x = 282,043.66

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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.