Home / 912,910.96-1,259,794.38-505,035.46

Finding the Fourth Proportional to 912,910.96, 1,259,794.38 and 505,035.46

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Solution

The fourth proportional to 912,910.96, 1,259,794.38 and 505,035.46 is: 696,936.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,910.96 : 1,259,794.38 = 505,035.46 : x
  2. Step 2: Convert to fraction form
    912,910.96/1,259,794.38 = 505,035.46/x
  3. Step 3: Cross multiply
    912,910.96x = 1,259,794.38 × 505,035.46
  4. Step 4: Simplify right side
    912,910.96x = 636,240,834,208.72
  5. Step 5: Solve for x
    x = 636,240,834,208.72/912,910.96
  6. Step 6: Final answer
    x = 696,936.35

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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.