Home / 672,053.33-1,008,108.35-312,561.56

Finding the Fourth Proportional to 672,053.33, 1,008,108.35 and 312,561.56

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Solution

The fourth proportional to 672,053.33, 1,008,108.35 and 312,561.56 is: 468,855.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,053.33 : 1,008,108.35 = 312,561.56 : x
  2. Step 2: Convert to fraction form
    672,053.33/1,008,108.35 = 312,561.56/x
  3. Step 3: Cross multiply
    672,053.33x = 1,008,108.35 × 312,561.56
  4. Step 4: Simplify right side
    672,053.33x = 315,095,918,525.03
  5. Step 5: Solve for x
    x = 315,095,918,525.03/672,053.33
  6. Step 6: Final answer
    x = 468,855.53

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Double scale
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Similar ratio
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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.