Home / 920,976-1,382,251.32-360,404.16

Finding the Fourth Proportional to 920,976, 1,382,251.32 and 360,404.16

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Solution

The fourth proportional to 920,976, 1,382,251.32 and 360,404.16 is: 540,914.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,976 : 1,382,251.32 = 360,404.16 : x
  2. Step 2: Convert to fraction form
    920,976/1,382,251.32 = 360,404.16/x
  3. Step 3: Cross multiply
    920,976x = 1,382,251.32 × 360,404.16
  4. Step 4: Simplify right side
    920,976x = 498,169,125,893.49
  5. Step 5: Solve for x
    x = 498,169,125,893.49/920,976
  6. Step 6: Final answer
    x = 540,914.34

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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.