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Finding the Fourth Proportional to 442,533.89, 610,793.47 and 281,357.46

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Solution

The fourth proportional to 442,533.89, 610,793.47 and 281,357.46 is: 388,334.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,533.89 : 610,793.47 = 281,357.46 : x
  2. Step 2: Convert to fraction form
    442,533.89/610,793.47 = 281,357.46/x
  3. Step 3: Cross multiply
    442,533.89x = 610,793.47 × 281,357.46
  4. Step 4: Simplify right side
    442,533.89x = 171,851,299,303.79
  5. Step 5: Solve for x
    x = 171,851,299,303.79/442,533.89
  6. Step 6: Final answer
    x = 388,334.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.