Home / 739,989.24-1,021,188.36-400,457.52

Finding the Fourth Proportional to 739,989.24, 1,021,188.36 and 400,457.52

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Solution

The fourth proportional to 739,989.24, 1,021,188.36 and 400,457.52 is: 552,633.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,989.24 : 1,021,188.36 = 400,457.52 : x
  2. Step 2: Convert to fraction form
    739,989.24/1,021,188.36 = 400,457.52/x
  3. Step 3: Cross multiply
    739,989.24x = 1,021,188.36 × 400,457.52
  4. Step 4: Simplify right side
    739,989.24x = 408,942,558,098.47
  5. Step 5: Solve for x
    x = 408,942,558,098.47/739,989.24
  6. Step 6: Final answer
    x = 552,633.11

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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.