Home / 816,369.08-1,126,602.82-448,861.74

Finding the Fourth Proportional to 816,369.08, 1,126,602.82 and 448,861.74

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Solution

The fourth proportional to 816,369.08, 1,126,602.82 and 448,861.74 is: 619,436.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,369.08 : 1,126,602.82 = 448,861.74 : x
  2. Step 2: Convert to fraction form
    816,369.08/1,126,602.82 = 448,861.74/x
  3. Step 3: Cross multiply
    816,369.08x = 1,126,602.82 × 448,861.74
  4. Step 4: Simplify right side
    816,369.08x = 505,688,902,074.11
  5. Step 5: Solve for x
    x = 505,688,902,074.11/816,369.08
  6. Step 6: Final answer
    x = 619,436.62

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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.