Home / 739,857.91-1,021,007.42-417,581.59

Finding the Fourth Proportional to 739,857.91, 1,021,007.42 and 417,581.59

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Solution

The fourth proportional to 739,857.91, 1,021,007.42 and 417,581.59 is: 576,264.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,857.91 : 1,021,007.42 = 417,581.59 : x
  2. Step 2: Convert to fraction form
    739,857.91/1,021,007.42 = 417,581.59/x
  3. Step 3: Cross multiply
    739,857.91x = 1,021,007.42 × 417,581.59
  4. Step 4: Simplify right side
    739,857.91x = 426,353,901,845.40
  5. Step 5: Solve for x
    x = 426,353,901,845.40/739,857.91
  6. Step 6: Final answer
    x = 576,264.57

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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.