Home / 875,251.10-1,312,099.05-519,887.90

Finding the Fourth Proportional to 875,251.10, 1,312,099.05 and 519,887.90

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Solution

The fourth proportional to 875,251.10, 1,312,099.05 and 519,887.90 is: 779,369.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,251.10 : 1,312,099.05 = 519,887.90 : x
  2. Step 2: Convert to fraction form
    875,251.10/1,312,099.05 = 519,887.90/x
  3. Step 3: Cross multiply
    875,251.10x = 1,312,099.05 × 519,887.90
  4. Step 4: Simplify right side
    875,251.10x = 682,144,419,696.50
  5. Step 5: Solve for x
    x = 682,144,419,696.50/875,251.10
  6. Step 6: Final answer
    x = 779,369.97

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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.