Home / 450,676.35-621,890.19-269,352.18

Finding the Fourth Proportional to 450,676.35, 621,890.19 and 269,352.18

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Solution

The fourth proportional to 450,676.35, 621,890.19 and 269,352.18 is: 371,680.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,676.35 : 621,890.19 = 269,352.18 : x
  2. Step 2: Convert to fraction form
    450,676.35/621,890.19 = 269,352.18/x
  3. Step 3: Cross multiply
    450,676.35x = 621,890.19 × 269,352.18
  4. Step 4: Simplify right side
    450,676.35x = 167,507,478,397.11
  5. Step 5: Solve for x
    x = 167,507,478,397.11/450,676.35
  6. Step 6: Final answer
    x = 371,680.21

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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.