Home / 672,022.05-1,008,033.08-618,367.65

Finding the Fourth Proportional to 672,022.05, 1,008,033.08 and 618,367.65

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Solution

The fourth proportional to 672,022.05, 1,008,033.08 and 618,367.65 is: 927,551.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,022.05 : 1,008,033.08 = 618,367.65 : x
  2. Step 2: Convert to fraction form
    672,022.05/1,008,033.08 = 618,367.65/x
  3. Step 3: Cross multiply
    672,022.05x = 1,008,033.08 × 618,367.65
  4. Step 4: Simplify right side
    672,022.05x = 623,335,046,801.86
  5. Step 5: Solve for x
    x = 623,335,046,801.86/672,022.05
  6. Step 6: Final answer
    x = 927,551.48

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Double scale
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Similar ratio
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1.5x scale

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.