Home / 948,986.72-1,309,618.09-519,274.02

Finding the Fourth Proportional to 948,986.72, 1,309,618.09 and 519,274.02

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Solution

The fourth proportional to 948,986.72, 1,309,618.09 and 519,274.02 is: 716,607.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,986.72 : 1,309,618.09 = 519,274.02 : x
  2. Step 2: Convert to fraction form
    948,986.72/1,309,618.09 = 519,274.02/x
  3. Step 3: Cross multiply
    948,986.72x = 1,309,618.09 × 519,274.02
  4. Step 4: Simplify right side
    948,986.72x = 680,050,655,819.18
  5. Step 5: Solve for x
    x = 680,050,655,819.18/948,986.72
  6. Step 6: Final answer
    x = 716,607.14

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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.