Home / 828,656.46-1,243,037.30-260,060.09

Finding the Fourth Proportional to 828,656.46, 1,243,037.30 and 260,060.09

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Solution

The fourth proportional to 828,656.46, 1,243,037.30 and 260,060.09 is: 390,106.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,656.46 : 1,243,037.30 = 260,060.09 : x
  2. Step 2: Convert to fraction form
    828,656.46/1,243,037.30 = 260,060.09/x
  3. Step 3: Cross multiply
    828,656.46x = 1,243,037.30 × 260,060.09
  4. Step 4: Simplify right side
    828,656.46x = 323,264,384,595.87
  5. Step 5: Solve for x
    x = 323,264,384,595.87/828,656.46
  6. Step 6: Final answer
    x = 390,106.64

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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.