Home / 622,370.10-934,246.35-385,979.70

Finding the Fourth Proportional to 622,370.10, 934,246.35 and 385,979.70

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Solution

The fourth proportional to 622,370.10, 934,246.35 and 385,979.70 is: 579,398.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,370.10 : 934,246.35 = 385,979.70 : x
  2. Step 2: Convert to fraction form
    622,370.10/934,246.35 = 385,979.70/x
  3. Step 3: Cross multiply
    622,370.10x = 934,246.35 × 385,979.70
  4. Step 4: Simplify right side
    622,370.10x = 360,600,125,899.10
  5. Step 5: Solve for x
    x = 360,600,125,899.10/622,370.10
  6. Step 6: Final answer
    x = 579,398.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.