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Finding the Fourth Proportional to 540,262.56, 745,572.96 and 349,608

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Solution

The fourth proportional to 540,262.56, 745,572.96 and 349,608 is: 482,465.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,262.56 : 745,572.96 = 349,608 : x
  2. Step 2: Convert to fraction form
    540,262.56/745,572.96 = 349,608/x
  3. Step 3: Cross multiply
    540,262.56x = 745,572.96 × 349,608
  4. Step 4: Simplify right side
    540,262.56x = 260,658,271,399.68
  5. Step 5: Solve for x
    x = 260,658,271,399.68/540,262.56
  6. Step 6: Final answer
    x = 482,465.92

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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.