Home / 948,997.80-1,309,646.34-519,296.04

Finding the Fourth Proportional to 948,997.80, 1,309,646.34 and 519,296.04

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Solution

The fourth proportional to 948,997.80, 1,309,646.34 and 519,296.04 is: 716,644.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,997.80 : 1,309,646.34 = 519,296.04 : x
  2. Step 2: Convert to fraction form
    948,997.80/1,309,646.34 = 519,296.04/x
  3. Step 3: Cross multiply
    948,997.80x = 1,309,646.34 × 519,296.04
  4. Step 4: Simplify right side
    948,997.80x = 680,094,158,162.49
  5. Step 5: Solve for x
    x = 680,094,158,162.49/948,997.80
  6. Step 6: Final answer
    x = 716,644.61

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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.