Home / 802,212.10-1,203,318.15-778,884.10

Finding the Fourth Proportional to 802,212.10, 1,203,318.15 and 778,884.10

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Solution

The fourth proportional to 802,212.10, 1,203,318.15 and 778,884.10 is: 1,168,326.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,212.10 : 1,203,318.15 = 778,884.10 : x
  2. Step 2: Convert to fraction form
    802,212.10/1,203,318.15 = 778,884.10/x
  3. Step 3: Cross multiply
    802,212.10x = 1,203,318.15 × 778,884.10
  4. Step 4: Simplify right side
    802,212.10x = 937,245,374,276.42
  5. Step 5: Solve for x
    x = 937,245,374,276.42/802,212.10
  6. Step 6: Final answer
    x = 1,168,326.15

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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.