Home / 707,916.20-1,061,874.30-209,280.20

Finding the Fourth Proportional to 707,916.20, 1,061,874.30 and 209,280.20

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Solution

The fourth proportional to 707,916.20, 1,061,874.30 and 209,280.20 is: 313,920.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,916.20 : 1,061,874.30 = 209,280.20 : x
  2. Step 2: Convert to fraction form
    707,916.20/1,061,874.30 = 209,280.20/x
  3. Step 3: Cross multiply
    707,916.20x = 1,061,874.30 × 209,280.20
  4. Step 4: Simplify right side
    707,916.20x = 222,229,265,878.86
  5. Step 5: Solve for x
    x = 222,229,265,878.86/707,916.20
  6. Step 6: Final answer
    x = 313,920.30

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1.5x scale

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.