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Finding the Fourth Proportional to 492,038.20, 738,057.30 and 450,047.80

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Solution

The fourth proportional to 492,038.20, 738,057.30 and 450,047.80 is: 675,071.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,038.20 : 738,057.30 = 450,047.80 : x
  2. Step 2: Convert to fraction form
    492,038.20/738,057.30 = 450,047.80/x
  3. Step 3: Cross multiply
    492,038.20x = 738,057.30 × 450,047.80
  4. Step 4: Simplify right side
    492,038.20x = 332,161,064,138.94
  5. Step 5: Solve for x
    x = 332,161,064,138.94/492,038.20
  6. Step 6: Final answer
    x = 675,071.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.