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Finding the Fourth Proportional to 542,592.68, 748,816.26 and 300,898.40

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Solution

The fourth proportional to 542,592.68, 748,816.26 and 300,898.40 is: 415,261.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,592.68 : 748,816.26 = 300,898.40 : x
  2. Step 2: Convert to fraction form
    542,592.68/748,816.26 = 300,898.40/x
  3. Step 3: Cross multiply
    542,592.68x = 748,816.26 × 300,898.40
  4. Step 4: Simplify right side
    542,592.68x = 225,317,614,527.98
  5. Step 5: Solve for x
    x = 225,317,614,527.98/542,592.68
  6. Step 6: Final answer
    x = 415,261.07

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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.