Home / 899,737.82-1,241,638.01-491,841.37

Finding the Fourth Proportional to 899,737.82, 1,241,638.01 and 491,841.37

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Solution

The fourth proportional to 899,737.82, 1,241,638.01 and 491,841.37 is: 678,740.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,737.82 : 1,241,638.01 = 491,841.37 : x
  2. Step 2: Convert to fraction form
    899,737.82/1,241,638.01 = 491,841.37/x
  3. Step 3: Cross multiply
    899,737.82x = 1,241,638.01 × 491,841.37
  4. Step 4: Simplify right side
    899,737.82x = 610,688,936,602.11
  5. Step 5: Solve for x
    x = 610,688,936,602.11/899,737.82
  6. Step 6: Final answer
    x = 678,740.98

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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.