Home / 913,406.82-1,370,241.36-282,369.84

Finding the Fourth Proportional to 913,406.82, 1,370,241.36 and 282,369.84

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Solution

The fourth proportional to 913,406.82, 1,370,241.36 and 282,369.84 is: 423,595.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,406.82 : 1,370,241.36 = 282,369.84 : x
  2. Step 2: Convert to fraction form
    913,406.82/1,370,241.36 = 282,369.84/x
  3. Step 3: Cross multiply
    913,406.82x = 1,370,241.36 × 282,369.84
  4. Step 4: Simplify right side
    913,406.82x = 386,914,833,584.58
  5. Step 5: Solve for x
    x = 386,914,833,584.58/913,406.82
  6. Step 6: Final answer
    x = 423,595.30

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1.5x scale

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.