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Finding the Fourth Proportional to 605,797.60, 906,946.80 and 369,601.60

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Solution

The fourth proportional to 605,797.60, 906,946.80 and 369,601.60 is: 553,334.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,797.60 : 906,946.80 = 369,601.60 : x
  2. Step 2: Convert to fraction form
    605,797.60/906,946.80 = 369,601.60/x
  3. Step 3: Cross multiply
    605,797.60x = 906,946.80 × 369,601.60
  4. Step 4: Simplify right side
    605,797.60x = 335,208,988,394.88
  5. Step 5: Solve for x
    x = 335,208,988,394.88/605,797.60
  6. Step 6: Final answer
    x = 553,334.96

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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.