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Finding the Fourth Proportional to 607,659.80, 838,579.29 and 335,733.98

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Solution

The fourth proportional to 607,659.80, 838,579.29 and 335,733.98 is: 463,317.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,659.80 : 838,579.29 = 335,733.98 : x
  2. Step 2: Convert to fraction form
    607,659.80/838,579.29 = 335,733.98/x
  3. Step 3: Cross multiply
    607,659.80x = 838,579.29 × 335,733.98
  4. Step 4: Simplify right side
    607,659.80x = 281,539,562,577.27
  5. Step 5: Solve for x
    x = 281,539,562,577.27/607,659.80
  6. Step 6: Final answer
    x = 463,317.74

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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.