Home / 777,826.24-1,073,361.72-438,316.36

Finding the Fourth Proportional to 777,826.24, 1,073,361.72 and 438,316.36

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Solution

The fourth proportional to 777,826.24, 1,073,361.72 and 438,316.36 is: 604,854.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,826.24 : 1,073,361.72 = 438,316.36 : x
  2. Step 2: Convert to fraction form
    777,826.24/1,073,361.72 = 438,316.36/x
  3. Step 3: Cross multiply
    777,826.24x = 1,073,361.72 × 438,316.36
  4. Step 4: Simplify right side
    777,826.24x = 470,472,002,073.74
  5. Step 5: Solve for x
    x = 470,472,002,073.74/777,826.24
  6. Step 6: Final answer
    x = 604,854.89

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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.