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Finding the Fourth Proportional to 580,099.26, 870,113.70 and 344,938.44

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Solution

The fourth proportional to 580,099.26, 870,113.70 and 344,938.44 is: 517,386.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,099.26 : 870,113.70 = 344,938.44 : x
  2. Step 2: Convert to fraction form
    580,099.26/870,113.70 = 344,938.44/x
  3. Step 3: Cross multiply
    580,099.26x = 870,113.70 × 344,938.44
  4. Step 4: Simplify right side
    580,099.26x = 300,135,662,300.63
  5. Step 5: Solve for x
    x = 300,135,662,300.63/580,099.26
  6. Step 6: Final answer
    x = 517,386.74

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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.