Home / 566,727.24-782,083.60-312,077.84

Finding the Fourth Proportional to 566,727.24, 782,083.60 and 312,077.84

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Solution

The fourth proportional to 566,727.24, 782,083.60 and 312,077.84 is: 430,667.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,727.24 : 782,083.60 = 312,077.84 : x
  2. Step 2: Convert to fraction form
    566,727.24/782,083.60 = 312,077.84/x
  3. Step 3: Cross multiply
    566,727.24x = 782,083.60 × 312,077.84
  4. Step 4: Simplify right side
    566,727.24x = 244,070,960,587.42
  5. Step 5: Solve for x
    x = 244,070,960,587.42/566,727.24
  6. Step 6: Final answer
    x = 430,667.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.