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Finding the Fourth Proportional to 603,932.80, 906,008.55 and 303,657.70

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Solution

The fourth proportional to 603,932.80, 906,008.55 and 303,657.70 is: 455,541.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,932.80 : 906,008.55 = 303,657.70 : x
  2. Step 2: Convert to fraction form
    603,932.80/906,008.55 = 303,657.70/x
  3. Step 3: Cross multiply
    603,932.80x = 906,008.55 × 303,657.70
  4. Step 4: Simplify right side
    603,932.80x = 275,116,472,473.34
  5. Step 5: Solve for x
    x = 275,116,472,473.34/603,932.80
  6. Step 6: Final answer
    x = 455,541.53

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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.