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Finding the Fourth Proportional to 590,391.92, 814,730.64 and 335,737.28

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Solution

The fourth proportional to 590,391.92, 814,730.64 and 335,737.28 is: 463,311.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,391.92 : 814,730.64 = 335,737.28 : x
  2. Step 2: Convert to fraction form
    590,391.92/814,730.64 = 335,737.28/x
  3. Step 3: Cross multiply
    590,391.92x = 814,730.64 × 335,737.28
  4. Step 4: Simplify right side
    590,391.92x = 273,535,449,006.26
  5. Step 5: Solve for x
    x = 273,535,449,006.26/590,391.92
  6. Step 6: Final answer
    x = 463,311.64

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1.5x scale

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.