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Finding the Fourth Proportional to 522,153.96, 720,608.10 and 295,801.32

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Solution

The fourth proportional to 522,153.96, 720,608.10 and 295,801.32 is: 408,226.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,153.96 : 720,608.10 = 295,801.32 : x
  2. Step 2: Convert to fraction form
    522,153.96/720,608.10 = 295,801.32/x
  3. Step 3: Cross multiply
    522,153.96x = 720,608.10 × 295,801.32
  4. Step 4: Simplify right side
    522,153.96x = 213,156,827,182.69
  5. Step 5: Solve for x
    x = 213,156,827,182.69/522,153.96
  6. Step 6: Final answer
    x = 408,226.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.