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Finding the Fourth Proportional to 540,453.70, 745,826.02 and 295,439.37

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Solution

The fourth proportional to 540,453.70, 745,826.02 and 295,439.37 is: 407,706.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,453.70 : 745,826.02 = 295,439.37 : x
  2. Step 2: Convert to fraction form
    540,453.70/745,826.02 = 295,439.37/x
  3. Step 3: Cross multiply
    540,453.70x = 745,826.02 × 295,439.37
  4. Step 4: Simplify right side
    540,453.70x = 220,346,369,478.41
  5. Step 5: Solve for x
    x = 220,346,369,478.41/540,453.70
  6. Step 6: Final answer
    x = 407,706.28

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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.