Home / 450,443.34-621,548.91-382,734.54

Finding the Fourth Proportional to 450,443.34, 621,548.91 and 382,734.54

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Solution

The fourth proportional to 450,443.34, 621,548.91 and 382,734.54 is: 528,120.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,443.34 : 621,548.91 = 382,734.54 : x
  2. Step 2: Convert to fraction form
    450,443.34/621,548.91 = 382,734.54/x
  3. Step 3: Cross multiply
    450,443.34x = 621,548.91 × 382,734.54
  4. Step 4: Simplify right side
    450,443.34x = 237,888,236,156.35
  5. Step 5: Solve for x
    x = 237,888,236,156.35/450,443.34
  6. Step 6: Final answer
    x = 528,120.22

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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.