Home / 673,979.58-1,011,111.41-218,535.31

Finding the Fourth Proportional to 673,979.58, 1,011,111.41 and 218,535.31

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Solution

The fourth proportional to 673,979.58, 1,011,111.41 and 218,535.31 is: 327,849.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,979.58 : 1,011,111.41 = 218,535.31 : x
  2. Step 2: Convert to fraction form
    673,979.58/1,011,111.41 = 218,535.31/x
  3. Step 3: Cross multiply
    673,979.58x = 1,011,111.41 × 218,535.31
  4. Step 4: Simplify right side
    673,979.58x = 220,963,547,239.12
  5. Step 5: Solve for x
    x = 220,963,547,239.12/673,979.58
  6. Step 6: Final answer
    x = 327,849.02

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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.