Home / 773,999.70-1,160,999.55-354,095.70

Finding the Fourth Proportional to 773,999.70, 1,160,999.55 and 354,095.70

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Solution

The fourth proportional to 773,999.70, 1,160,999.55 and 354,095.70 is: 531,143.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,999.70 : 1,160,999.55 = 354,095.70 : x
  2. Step 2: Convert to fraction form
    773,999.70/1,160,999.55 = 354,095.70/x
  3. Step 3: Cross multiply
    773,999.70x = 1,160,999.55 × 354,095.70
  4. Step 4: Simplify right side
    773,999.70x = 411,104,948,356.94
  5. Step 5: Solve for x
    x = 411,104,948,356.94/773,999.70
  6. Step 6: Final answer
    x = 531,143.55

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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.