Home / 778,072.32-1,166,641.20-304,193.04

Finding the Fourth Proportional to 778,072.32, 1,166,641.20 and 304,193.04

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Solution

The fourth proportional to 778,072.32, 1,166,641.20 and 304,193.04 is: 456,106.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,072.32 : 1,166,641.20 = 304,193.04 : x
  2. Step 2: Convert to fraction form
    778,072.32/1,166,641.20 = 304,193.04/x
  3. Step 3: Cross multiply
    778,072.32x = 1,166,641.20 × 304,193.04
  4. Step 4: Simplify right side
    778,072.32x = 354,884,133,217.25
  5. Step 5: Solve for x
    x = 354,884,133,217.25/778,072.32
  6. Step 6: Final answer
    x = 456,106.87

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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.