Home / 640,075.01-959,441.92-298,236.57

Finding the Fourth Proportional to 640,075.01, 959,441.92 and 298,236.57

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Solution

The fourth proportional to 640,075.01, 959,441.92 and 298,236.57 is: 447,042.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,075.01 : 959,441.92 = 298,236.57 : x
  2. Step 2: Convert to fraction form
    640,075.01/959,441.92 = 298,236.57/x
  3. Step 3: Cross multiply
    640,075.01x = 959,441.92 × 298,236.57
  4. Step 4: Simplify right side
    640,075.01x = 286,140,667,335.01
  5. Step 5: Solve for x
    x = 286,140,667,335.01/640,075.01
  6. Step 6: Final answer
    x = 447,042.40

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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.