Home / 778,667.52-1,168,002.36-217,701.48

Finding the Fourth Proportional to 778,667.52, 1,168,002.36 and 217,701.48

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Solution

The fourth proportional to 778,667.52, 1,168,002.36 and 217,701.48 is: 326,552.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,667.52 : 1,168,002.36 = 217,701.48 : x
  2. Step 2: Convert to fraction form
    778,667.52/1,168,002.36 = 217,701.48/x
  3. Step 3: Cross multiply
    778,667.52x = 1,168,002.36 × 217,701.48
  4. Step 4: Simplify right side
    778,667.52x = 254,275,842,415.49
  5. Step 5: Solve for x
    x = 254,275,842,415.49/778,667.52
  6. Step 6: Final answer
    x = 326,552.52

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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.