Home / 698,309.28-1,045,511.52-377,310.96

Finding the Fourth Proportional to 698,309.28, 1,045,511.52 and 377,310.96

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Solution

The fourth proportional to 698,309.28, 1,045,511.52 and 377,310.96 is: 564,911.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,309.28 : 1,045,511.52 = 377,310.96 : x
  2. Step 2: Convert to fraction form
    698,309.28/1,045,511.52 = 377,310.96/x
  3. Step 3: Cross multiply
    698,309.28x = 1,045,511.52 × 377,310.96
  4. Step 4: Simplify right side
    698,309.28x = 394,482,955,302.26
  5. Step 5: Solve for x
    x = 394,482,955,302.26/698,309.28
  6. Step 6: Final answer
    x = 564,911.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.