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Finding the Fourth Proportional to 480,735.52, 720,798 and 255,957.28

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Solution

The fourth proportional to 480,735.52, 720,798 and 255,957.28 is: 383,773.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,735.52 : 720,798 = 255,957.28 : x
  2. Step 2: Convert to fraction form
    480,735.52/720,798 = 255,957.28/x
  3. Step 3: Cross multiply
    480,735.52x = 720,798 × 255,957.28
  4. Step 4: Simplify right side
    480,735.52x = 184,493,495,509.44
  5. Step 5: Solve for x
    x = 184,493,495,509.44/480,735.52
  6. Step 6: Final answer
    x = 383,773.38

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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.