Home / 442,923.10-662,635.05-384,408.70

Finding the Fourth Proportional to 442,923.10, 662,635.05 and 384,408.70

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Solution

The fourth proportional to 442,923.10, 662,635.05 and 384,408.70 is: 575,094.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,923.10 : 662,635.05 = 384,408.70 : x
  2. Step 2: Convert to fraction form
    442,923.10/662,635.05 = 384,408.70/x
  3. Step 3: Cross multiply
    442,923.10x = 662,635.05 × 384,408.70
  4. Step 4: Simplify right side
    442,923.10x = 254,722,678,144.94
  5. Step 5: Solve for x
    x = 254,722,678,144.94/442,923.10
  6. Step 6: Final answer
    x = 575,094.59

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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.