Home / 828,800.10-1,246,152.60-698,892.30

Finding the Fourth Proportional to 828,800.10, 1,246,152.60 and 698,892.30

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Solution

The fourth proportional to 828,800.10, 1,246,152.60 and 698,892.30 is: 1,050,828.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,800.10 : 1,246,152.60 = 698,892.30 : x
  2. Step 2: Convert to fraction form
    828,800.10/1,246,152.60 = 698,892.30/x
  3. Step 3: Cross multiply
    828,800.10x = 1,246,152.60 × 698,892.30
  4. Step 4: Simplify right side
    828,800.10x = 870,926,456,764.98
  5. Step 5: Solve for x
    x = 870,926,456,764.98/828,800.10
  6. Step 6: Final answer
    x = 1,050,828.13

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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.