Home / 672,439.23-927,960.18-366,515.59

Finding the Fourth Proportional to 672,439.23, 927,960.18 and 366,515.59

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Solution

The fourth proportional to 672,439.23, 927,960.18 and 366,515.59 is: 505,788.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,439.23 : 927,960.18 = 366,515.59 : x
  2. Step 2: Convert to fraction form
    672,439.23/927,960.18 = 366,515.59/x
  3. Step 3: Cross multiply
    672,439.23x = 927,960.18 × 366,515.59
  4. Step 4: Simplify right side
    672,439.23x = 340,111,872,869.21
  5. Step 5: Solve for x
    x = 340,111,872,869.21/672,439.23
  6. Step 6: Final answer
    x = 505,788.27

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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.