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Finding the Fourth Proportional to 604,900.20, 907,350.30 and 205,991.40

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Solution

The fourth proportional to 604,900.20, 907,350.30 and 205,991.40 is: 308,987.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,900.20 : 907,350.30 = 205,991.40 : x
  2. Step 2: Convert to fraction form
    604,900.20/907,350.30 = 205,991.40/x
  3. Step 3: Cross multiply
    604,900.20x = 907,350.30 × 205,991.40
  4. Step 4: Simplify right side
    604,900.20x = 186,906,358,587.42
  5. Step 5: Solve for x
    x = 186,906,358,587.42/604,900.20
  6. Step 6: Final answer
    x = 308,987.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.