Home / 778,564.08-1,167,787.80-217,642.32

Finding the Fourth Proportional to 778,564.08, 1,167,787.80 and 217,642.32

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Solution

The fourth proportional to 778,564.08, 1,167,787.80 and 217,642.32 is: 326,447.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,564.08 : 1,167,787.80 = 217,642.32 : x
  2. Step 2: Convert to fraction form
    778,564.08/1,167,787.80 = 217,642.32/x
  3. Step 3: Cross multiply
    778,564.08x = 1,167,787.80 × 217,642.32
  4. Step 4: Simplify right side
    778,564.08x = 254,160,046,059.70
  5. Step 5: Solve for x
    x = 254,160,046,059.70/778,564.08
  6. Step 6: Final answer
    x = 326,447.18

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1.5x scale

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.