Home / 896,929.20-1,345,102.20-297,788.40

Finding the Fourth Proportional to 896,929.20, 1,345,102.20 and 297,788.40

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Solution

The fourth proportional to 896,929.20, 1,345,102.20 and 297,788.40 is: 446,585.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,929.20 : 1,345,102.20 = 297,788.40 : x
  2. Step 2: Convert to fraction form
    896,929.20/1,345,102.20 = 297,788.40/x
  3. Step 3: Cross multiply
    896,929.20x = 1,345,102.20 × 297,788.40
  4. Step 4: Simplify right side
    896,929.20x = 400,555,831,974.48
  5. Step 5: Solve for x
    x = 400,555,831,974.48/896,929.20
  6. Step 6: Final answer
    x = 446,585.79

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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.