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Finding the Fourth Proportional to 604,188.37, 906,282.50 and 287,685.73

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Solution

The fourth proportional to 604,188.37, 906,282.50 and 287,685.73 is: 431,528.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,188.37 : 906,282.50 = 287,685.73 : x
  2. Step 2: Convert to fraction form
    604,188.37/906,282.50 = 287,685.73/x
  3. Step 3: Cross multiply
    604,188.37x = 906,282.50 × 287,685.73
  4. Step 4: Simplify right side
    604,188.37x = 260,724,542,598.73
  5. Step 5: Solve for x
    x = 260,724,542,598.73/604,188.37
  6. Step 6: Final answer
    x = 431,528.57

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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.