Home / 845,330.36-1,267,404.89-312,782.27

Finding the Fourth Proportional to 845,330.36, 1,267,404.89 and 312,782.27

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Solution

The fourth proportional to 845,330.36, 1,267,404.89 and 312,782.27 is: 468,954.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,330.36 : 1,267,404.89 = 312,782.27 : x
  2. Step 2: Convert to fraction form
    845,330.36/1,267,404.89 = 312,782.27/x
  3. Step 3: Cross multiply
    845,330.36x = 1,267,404.89 × 312,782.27
  4. Step 4: Simplify right side
    845,330.36x = 396,421,770,602.37
  5. Step 5: Solve for x
    x = 396,421,770,602.37/845,330.36
  6. Step 6: Final answer
    x = 468,954.85

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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.