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Finding the Fourth Proportional to 607,317.71, 838,093.50 and 335,403.95

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Solution

The fourth proportional to 607,317.71, 838,093.50 and 335,403.95 is: 462,854.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,317.71 : 838,093.50 = 335,403.95 : x
  2. Step 2: Convert to fraction form
    607,317.71/838,093.50 = 335,403.95/x
  3. Step 3: Cross multiply
    607,317.71x = 838,093.50 × 335,403.95
  4. Step 4: Simplify right side
    607,317.71x = 281,099,866,178.86
  5. Step 5: Solve for x
    x = 281,099,866,178.86/607,317.71
  6. Step 6: Final answer
    x = 462,854.72

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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.