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Finding the Fourth Proportional to 604,686.60, 906,252.30 and 367,777.80

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Solution

The fourth proportional to 604,686.60, 906,252.30 and 367,777.80 is: 551,193.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,686.60 : 906,252.30 = 367,777.80 : x
  2. Step 2: Convert to fraction form
    604,686.60/906,252.30 = 367,777.80/x
  3. Step 3: Cross multiply
    604,686.60x = 906,252.30 × 367,777.80
  4. Step 4: Simplify right side
    604,686.60x = 333,299,477,138.94
  5. Step 5: Solve for x
    x = 333,299,477,138.94/604,686.60
  6. Step 6: Final answer
    x = 551,193.75

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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.