Home / 920,469.60-1,380,140.64-358,848

Finding the Fourth Proportional to 920,469.60, 1,380,140.64 and 358,848

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Solution

The fourth proportional to 920,469.60, 1,380,140.64 and 358,848 is: 538,052.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,469.60 : 1,380,140.64 = 358,848 : x
  2. Step 2: Convert to fraction form
    920,469.60/1,380,140.64 = 358,848/x
  3. Step 3: Cross multiply
    920,469.60x = 1,380,140.64 × 358,848
  4. Step 4: Simplify right side
    920,469.60x = 495,260,708,382.72
  5. Step 5: Solve for x
    x = 495,260,708,382.72/920,469.60
  6. Step 6: Final answer
    x = 538,052.22

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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.