Home / 828,935.60-1,243,403.40-648,532.40

Finding the Fourth Proportional to 828,935.60, 1,243,403.40 and 648,532.40

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Solution

The fourth proportional to 828,935.60, 1,243,403.40 and 648,532.40 is: 972,798.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,935.60 : 1,243,403.40 = 648,532.40 : x
  2. Step 2: Convert to fraction form
    828,935.60/1,243,403.40 = 648,532.40/x
  3. Step 3: Cross multiply
    828,935.60x = 1,243,403.40 × 648,532.40
  4. Step 4: Simplify right side
    828,935.60x = 806,387,391,170.16
  5. Step 5: Solve for x
    x = 806,387,391,170.16/828,935.60
  6. Step 6: Final answer
    x = 972,798.60

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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.