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Finding the Fourth Proportional to 542,293.02, 748,409.18 and 300,651.39

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Solution

The fourth proportional to 542,293.02, 748,409.18 and 300,651.39 is: 414,923.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,293.02 : 748,409.18 = 300,651.39 : x
  2. Step 2: Convert to fraction form
    542,293.02/748,409.18 = 300,651.39/x
  3. Step 3: Cross multiply
    542,293.02x = 748,409.18 × 300,651.39
  4. Step 4: Simplify right side
    542,293.02x = 225,010,258,752.50
  5. Step 5: Solve for x
    x = 225,010,258,752.50/542,293.02
  6. Step 6: Final answer
    x = 414,923.76

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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.