Home / 726,444.65-1,089,665.16-346,212.83

Finding the Fourth Proportional to 726,444.65, 1,089,665.16 and 346,212.83

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Solution

The fourth proportional to 726,444.65, 1,089,665.16 and 346,212.83 is: 519,318.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,444.65 : 1,089,665.16 = 346,212.83 : x
  2. Step 2: Convert to fraction form
    726,444.65/1,089,665.16 = 346,212.83/x
  3. Step 3: Cross multiply
    726,444.65x = 1,089,665.16 × 346,212.83
  4. Step 4: Simplify right side
    726,444.65x = 377,256,060,221.87
  5. Step 5: Solve for x
    x = 377,256,060,221.87/726,444.65
  6. Step 6: Final answer
    x = 519,318.38

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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.