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Finding the Fourth Proportional to 672,468.56, 928,006.44 and 370,667.60

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Solution

The fourth proportional to 672,468.56, 928,006.44 and 370,667.60 is: 511,521.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,468.56 : 928,006.44 = 370,667.60 : x
  2. Step 2: Convert to fraction form
    672,468.56/928,006.44 = 370,667.60/x
  3. Step 3: Cross multiply
    672,468.56x = 928,006.44 × 370,667.60
  4. Step 4: Simplify right side
    672,468.56x = 343,981,919,899.34
  5. Step 5: Solve for x
    x = 343,981,919,899.34/672,468.56
  6. Step 6: Final answer
    x = 511,521.19

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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.