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Finding the Fourth Proportional to 542,224.80, 748,271.79 and 300,511.35

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Solution

The fourth proportional to 542,224.80, 748,271.79 and 300,511.35 is: 414,706.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,224.80 : 748,271.79 = 300,511.35 : x
  2. Step 2: Convert to fraction form
    542,224.80/748,271.79 = 300,511.35/x
  3. Step 3: Cross multiply
    542,224.80x = 748,271.79 × 300,511.35
  4. Step 4: Simplify right side
    542,224.80x = 224,864,165,779.82
  5. Step 5: Solve for x
    x = 224,864,165,779.82/542,224.80
  6. Step 6: Final answer
    x = 414,706.53

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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.