Home / 778,667.96-1,167,995.06-246,189.36

Finding the Fourth Proportional to 778,667.96, 1,167,995.06 and 246,189.36

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Solution

The fourth proportional to 778,667.96, 1,167,995.06 and 246,189.36 is: 369,281.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,667.96 : 1,167,995.06 = 246,189.36 : x
  2. Step 2: Convert to fraction form
    778,667.96/1,167,995.06 = 246,189.36/x
  3. Step 3: Cross multiply
    778,667.96x = 1,167,995.06 × 246,189.36
  4. Step 4: Simplify right side
    778,667.96x = 287,547,956,304.56
  5. Step 5: Solve for x
    x = 287,547,956,304.56/778,667.96
  6. Step 6: Final answer
    x = 369,281.86

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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.