Home / 948,998.61-1,309,618.04-519,278.76

Finding the Fourth Proportional to 948,998.61, 1,309,618.04 and 519,278.76

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Solution

The fourth proportional to 948,998.61, 1,309,618.04 and 519,278.76 is: 716,604.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,998.61 : 1,309,618.04 = 519,278.76 : x
  2. Step 2: Convert to fraction form
    948,998.61/1,309,618.04 = 519,278.76/x
  3. Step 3: Cross multiply
    948,998.61x = 1,309,618.04 × 519,278.76
  4. Step 4: Simplify right side
    948,998.61x = 680,056,829,288.44
  5. Step 5: Solve for x
    x = 680,056,829,288.44/948,998.61
  6. Step 6: Final answer
    x = 716,604.66

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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.