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Finding the Fourth Proportional to 893,295.67, 1,232,755.83 and 485,397.50

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Solution

The fourth proportional to 893,295.67, 1,232,755.83 and 485,397.50 is: 669,852.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,295.67 : 1,232,755.83 = 485,397.50 : x
  2. Step 2: Convert to fraction form
    893,295.67/1,232,755.83 = 485,397.50/x
  3. Step 3: Cross multiply
    893,295.67x = 1,232,755.83 × 485,397.50
  4. Step 4: Simplify right side
    893,295.67x = 598,376,601,074.32
  5. Step 5: Solve for x
    x = 598,376,601,074.32/893,295.67
  6. Step 6: Final answer
    x = 669,852.80

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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.