Home / 778,568.08-1,167,793.80-217,646.32

Finding the Fourth Proportional to 778,568.08, 1,167,793.80 and 217,646.32

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Solution

The fourth proportional to 778,568.08, 1,167,793.80 and 217,646.32 is: 326,453.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,568.08 : 1,167,793.80 = 217,646.32 : x
  2. Step 2: Convert to fraction form
    778,568.08/1,167,793.80 = 217,646.32/x
  3. Step 3: Cross multiply
    778,568.08x = 1,167,793.80 × 217,646.32
  4. Step 4: Simplify right side
    778,568.08x = 254,166,023,088.82
  5. Step 5: Solve for x
    x = 254,166,023,088.82/778,568.08
  6. Step 6: Final answer
    x = 326,453.18

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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.