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Finding the Fourth Proportional to 672,008.20, 927,370.90 and 370,202.20

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Solution

The fourth proportional to 672,008.20, 927,370.90 and 370,202.20 is: 510,878.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,008.20 : 927,370.90 = 370,202.20 : x
  2. Step 2: Convert to fraction form
    672,008.20/927,370.90 = 370,202.20/x
  3. Step 3: Cross multiply
    672,008.20x = 927,370.90 × 370,202.20
  4. Step 4: Simplify right side
    672,008.20x = 343,314,747,395.98
  5. Step 5: Solve for x
    x = 343,314,747,395.98/672,008.20
  6. Step 6: Final answer
    x = 510,878.81

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1.5x scale

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.