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Finding the Fourth Proportional to 579,614.42, 798,943.68 and 456,906.71

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Solution

The fourth proportional to 579,614.42, 798,943.68 and 456,906.71 is: 629,802.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,614.42 : 798,943.68 = 456,906.71 : x
  2. Step 2: Convert to fraction form
    579,614.42/798,943.68 = 456,906.71/x
  3. Step 3: Cross multiply
    579,614.42x = 798,943.68 × 456,906.71
  4. Step 4: Simplify right side
    579,614.42x = 365,042,724,309.37
  5. Step 5: Solve for x
    x = 365,042,724,309.37/579,614.42
  6. Step 6: Final answer
    x = 629,802.70

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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.