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Finding the Fourth Proportional to 603,327.13, 903,612.88 and 288,005.47

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Solution

The fourth proportional to 603,327.13, 903,612.88 and 288,005.47 is: 431,350.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,327.13 : 903,612.88 = 288,005.47 : x
  2. Step 2: Convert to fraction form
    603,327.13/903,612.88 = 288,005.47/x
  3. Step 3: Cross multiply
    603,327.13x = 903,612.88 × 288,005.47
  4. Step 4: Simplify right side
    603,327.13x = 260,245,452,202.45
  5. Step 5: Solve for x
    x = 260,245,452,202.45/603,327.13
  6. Step 6: Final answer
    x = 431,350.49

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1.5x scale

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.