Home / 574,845.76-862,637.69-385,519.91

Finding the Fourth Proportional to 574,845.76, 862,637.69 and 385,519.91

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Solution

The fourth proportional to 574,845.76, 862,637.69 and 385,519.91 is: 578,527.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,845.76 : 862,637.69 = 385,519.91 : x
  2. Step 2: Convert to fraction form
    574,845.76/862,637.69 = 385,519.91/x
  3. Step 3: Cross multiply
    574,845.76x = 862,637.69 × 385,519.91
  4. Step 4: Simplify right side
    574,845.76x = 332,564,007,731.80
  5. Step 5: Solve for x
    x = 332,564,007,731.80/574,845.76
  6. Step 6: Final answer
    x = 578,527.38

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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.