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Finding the Fourth Proportional to 475,942.40, 714,258.88 and 383,563.52

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Solution

The fourth proportional to 475,942.40, 714,258.88 and 383,563.52 is: 575,623.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,942.40 : 714,258.88 = 383,563.52 : x
  2. Step 2: Convert to fraction form
    475,942.40/714,258.88 = 383,563.52/x
  3. Step 3: Cross multiply
    475,942.40x = 714,258.88 × 383,563.52
  4. Step 4: Simplify right side
    475,942.40x = 273,963,650,204.06
  5. Step 5: Solve for x
    x = 273,963,650,204.06/475,942.40
  6. Step 6: Final answer
    x = 575,623.54

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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.