Home / 968,730.30-1,450,330.65-858,138.30

Finding the Fourth Proportional to 968,730.30, 1,450,330.65 and 858,138.30

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Solution

The fourth proportional to 968,730.30, 1,450,330.65 and 858,138.30 is: 1,284,758.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,730.30 : 1,450,330.65 = 858,138.30 : x
  2. Step 2: Convert to fraction form
    968,730.30/1,450,330.65 = 858,138.30/x
  3. Step 3: Cross multiply
    968,730.30x = 1,450,330.65 × 858,138.30
  4. Step 4: Simplify right side
    968,730.30x = 1,244,584,278,428.90
  5. Step 5: Solve for x
    x = 1,244,584,278,428.90/968,730.30
  6. Step 6: Final answer
    x = 1,284,758.28

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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.