Home / 724,999.68-1,085,842.94-346,185.72

Finding the Fourth Proportional to 724,999.68, 1,085,842.94 and 346,185.72

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Solution

The fourth proportional to 724,999.68, 1,085,842.94 and 346,185.72 is: 518,487.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,999.68 : 1,085,842.94 = 346,185.72 : x
  2. Step 2: Convert to fraction form
    724,999.68/1,085,842.94 = 346,185.72/x
  3. Step 3: Cross multiply
    724,999.68x = 1,085,842.94 × 346,185.72
  4. Step 4: Simplify right side
    724,999.68x = 375,903,318,259.89
  5. Step 5: Solve for x
    x = 375,903,318,259.89/724,999.68
  6. Step 6: Final answer
    x = 518,487.56

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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.