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Finding the Fourth Proportional to 542,239.65, 748,271.52 and 300,544.70

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Solution

The fourth proportional to 542,239.65, 748,271.52 and 300,544.70 is: 414,741.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,239.65 : 748,271.52 = 300,544.70 : x
  2. Step 2: Convert to fraction form
    542,239.65/748,271.52 = 300,544.70/x
  3. Step 3: Cross multiply
    542,239.65x = 748,271.52 × 300,544.70
  4. Step 4: Simplify right side
    542,239.65x = 224,889,035,755.59
  5. Step 5: Solve for x
    x = 224,889,035,755.59/542,239.65
  6. Step 6: Final answer
    x = 414,741.04

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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.