Home / 875,247.10-1,312,093.05-519,883.90

Finding the Fourth Proportional to 875,247.10, 1,312,093.05 and 519,883.90

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Solution

The fourth proportional to 875,247.10, 1,312,093.05 and 519,883.90 is: 779,363.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,247.10 : 1,312,093.05 = 519,883.90 : x
  2. Step 2: Convert to fraction form
    875,247.10/1,312,093.05 = 519,883.90/x
  3. Step 3: Cross multiply
    875,247.10x = 1,312,093.05 × 519,883.90
  4. Step 4: Simplify right side
    875,247.10x = 682,136,051,996.90
  5. Step 5: Solve for x
    x = 682,136,051,996.90/875,247.10
  6. Step 6: Final answer
    x = 779,363.97

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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.