Home / 556,733.42-835,519.96-407,359.09

Finding the Fourth Proportional to 556,733.42, 835,519.96 and 407,359.09

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Solution

The fourth proportional to 556,733.42, 835,519.96 and 407,359.09 is: 611,345.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,733.42 : 835,519.96 = 407,359.09 : x
  2. Step 2: Convert to fraction form
    556,733.42/835,519.96 = 407,359.09/x
  3. Step 3: Cross multiply
    556,733.42x = 835,519.96 × 407,359.09
  4. Step 4: Simplify right side
    556,733.42x = 340,356,652,136.04
  5. Step 5: Solve for x
    x = 340,356,652,136.04/556,733.42
  6. Step 6: Final answer
    x = 611,345.83

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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.