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Finding the Fourth Proportional to 540,288.65, 745,600.64 and 295,278.41

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Solution

The fourth proportional to 540,288.65, 745,600.64 and 295,278.41 is: 407,485.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,288.65 : 745,600.64 = 295,278.41 : x
  2. Step 2: Convert to fraction form
    540,288.65/745,600.64 = 295,278.41/x
  3. Step 3: Cross multiply
    540,288.65x = 745,600.64 × 295,278.41
  4. Step 4: Simplify right side
    540,288.65x = 220,159,766,269.79
  5. Step 5: Solve for x
    x = 220,159,766,269.79/540,288.65
  6. Step 6: Final answer
    x = 407,485.46

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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.