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Finding the Fourth Proportional to 607,805.80, 838,822.52 and 335,926.81

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Solution

The fourth proportional to 607,805.80, 838,822.52 and 335,926.81 is: 463,606.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,805.80 : 838,822.52 = 335,926.81 : x
  2. Step 2: Convert to fraction form
    607,805.80/838,822.52 = 335,926.81/x
  3. Step 3: Cross multiply
    607,805.80x = 838,822.52 × 335,926.81
  4. Step 4: Simplify right side
    607,805.80x = 281,782,967,426.02
  5. Step 5: Solve for x
    x = 281,782,967,426.02/607,805.80
  6. Step 6: Final answer
    x = 463,606.91

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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.