Home / 540,390.45-745,777.43-298,667.82

Finding the Fourth Proportional to 540,390.45, 745,777.43 and 298,667.82

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Solution

The fourth proportional to 540,390.45, 745,777.43 and 298,667.82 is: 412,182.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,390.45 : 745,777.43 = 298,667.82 : x
  2. Step 2: Convert to fraction form
    540,390.45/745,777.43 = 298,667.82/x
  3. Step 3: Cross multiply
    540,390.45x = 745,777.43 × 298,667.82
  4. Step 4: Simplify right side
    540,390.45x = 222,739,719,969.97
  5. Step 5: Solve for x
    x = 222,739,719,969.97/540,390.45
  6. Step 6: Final answer
    x = 412,182.93

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1.5x scale

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.