Home / 724,940.01-1,000,306-418,957.30

Finding the Fourth Proportional to 724,940.01, 1,000,306 and 418,957.30

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Solution

The fourth proportional to 724,940.01, 1,000,306 and 418,957.30 is: 578,096.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,940.01 : 1,000,306 = 418,957.30 : x
  2. Step 2: Convert to fraction form
    724,940.01/1,000,306 = 418,957.30/x
  3. Step 3: Cross multiply
    724,940.01x = 1,000,306 × 418,957.30
  4. Step 4: Simplify right side
    724,940.01x = 419,085,500,933.80
  5. Step 5: Solve for x
    x = 419,085,500,933.80/724,940.01
  6. Step 6: Final answer
    x = 578,096.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.