Home / 817,471.76-1,226,404.60-256,506.24

Finding the Fourth Proportional to 817,471.76, 1,226,404.60 and 256,506.24

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Solution

The fourth proportional to 817,471.76, 1,226,404.60 and 256,506.24 is: 384,821.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,471.76 : 1,226,404.60 = 256,506.24 : x
  2. Step 2: Convert to fraction form
    817,471.76/1,226,404.60 = 256,506.24/x
  3. Step 3: Cross multiply
    817,471.76x = 1,226,404.60 × 256,506.24
  4. Step 4: Simplify right side
    817,471.76x = 314,580,432,664.70
  5. Step 5: Solve for x
    x = 314,580,432,664.70/817,471.76
  6. Step 6: Final answer
    x = 384,821.16

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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.