Home / 782,858.81-1,174,472.14-243,087.47

Finding the Fourth Proportional to 782,858.81, 1,174,472.14 and 243,087.47

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Solution

The fourth proportional to 782,858.81, 1,174,472.14 and 243,087.47 is: 364,688.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,858.81 : 1,174,472.14 = 243,087.47 : x
  2. Step 2: Convert to fraction form
    782,858.81/1,174,472.14 = 243,087.47/x
  3. Step 3: Cross multiply
    782,858.81x = 1,174,472.14 × 243,087.47
  4. Step 4: Simplify right side
    782,858.81x = 285,499,461,098.09
  5. Step 5: Solve for x
    x = 285,499,461,098.09/782,858.81
  6. Step 6: Final answer
    x = 364,688.32

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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.