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Finding the Fourth Proportional to 672,140, 927,556.08 and 370,327.52

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Solution

The fourth proportional to 672,140, 927,556.08 and 370,327.52 is: 511,053.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,140 : 927,556.08 = 370,327.52 : x
  2. Step 2: Convert to fraction form
    672,140/927,556.08 = 370,327.52/x
  3. Step 3: Cross multiply
    672,140x = 927,556.08 × 370,327.52
  4. Step 4: Simplify right side
    672,140x = 343,499,542,767.32
  5. Step 5: Solve for x
    x = 343,499,542,767.32/672,140
  6. Step 6: Final answer
    x = 511,053.56

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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.