Home / 828,867.20-1,243,300.80-662,979.20

Finding the Fourth Proportional to 828,867.20, 1,243,300.80 and 662,979.20

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Solution

The fourth proportional to 828,867.20, 1,243,300.80 and 662,979.20 is: 994,468.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,867.20 : 1,243,300.80 = 662,979.20 : x
  2. Step 2: Convert to fraction form
    828,867.20/1,243,300.80 = 662,979.20/x
  3. Step 3: Cross multiply
    828,867.20x = 1,243,300.80 × 662,979.20
  4. Step 4: Simplify right side
    828,867.20x = 824,282,569,743.36
  5. Step 5: Solve for x
    x = 824,282,569,743.36/828,867.20
  6. Step 6: Final answer
    x = 994,468.80

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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.