Home / 708,158.14-1,062,680.09-287,434.01

Finding the Fourth Proportional to 708,158.14, 1,062,680.09 and 287,434.01

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Solution

The fourth proportional to 708,158.14, 1,062,680.09 and 287,434.01 is: 431,330.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,158.14 : 1,062,680.09 = 287,434.01 : x
  2. Step 2: Convert to fraction form
    708,158.14/1,062,680.09 = 287,434.01/x
  3. Step 3: Cross multiply
    708,158.14x = 1,062,680.09 × 287,434.01
  4. Step 4: Simplify right side
    708,158.14x = 305,450,400,835.39
  5. Step 5: Solve for x
    x = 305,450,400,835.39/708,158.14
  6. Step 6: Final answer
    x = 431,330.78

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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.