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Finding the Fourth Proportional to 542,218.59, 748,261.67 and 300,537.54

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Solution

The fourth proportional to 542,218.59, 748,261.67 and 300,537.54 is: 414,741.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,218.59 : 748,261.67 = 300,537.54 : x
  2. Step 2: Convert to fraction form
    542,218.59/748,261.67 = 300,537.54/x
  3. Step 3: Cross multiply
    542,218.59x = 748,261.67 × 300,537.54
  4. Step 4: Simplify right side
    542,218.59x = 224,880,720,075.40
  5. Step 5: Solve for x
    x = 224,880,720,075.40/542,218.59
  6. Step 6: Final answer
    x = 414,741.81

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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.