Home / 905,118.56-1,357,852.48-344,109.36

Finding the Fourth Proportional to 905,118.56, 1,357,852.48 and 344,109.36

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Solution

The fourth proportional to 905,118.56, 1,357,852.48 and 344,109.36 is: 516,230.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,118.56 : 1,357,852.48 = 344,109.36 : x
  2. Step 2: Convert to fraction form
    905,118.56/1,357,852.48 = 344,109.36/x
  3. Step 3: Cross multiply
    905,118.56x = 1,357,852.48 × 344,109.36
  4. Step 4: Simplify right side
    905,118.56x = 467,249,747,867.21
  5. Step 5: Solve for x
    x = 467,249,747,867.21/905,118.56
  6. Step 6: Final answer
    x = 516,230.43

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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.