Home / 719,822.83-1,078,903.87-270,256.97

Finding the Fourth Proportional to 719,822.83, 1,078,903.87 and 270,256.97

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Solution

The fourth proportional to 719,822.83, 1,078,903.87 and 270,256.97 is: 405,073.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,822.83 : 1,078,903.87 = 270,256.97 : x
  2. Step 2: Convert to fraction form
    719,822.83/1,078,903.87 = 270,256.97/x
  3. Step 3: Cross multiply
    719,822.83x = 1,078,903.87 × 270,256.97
  4. Step 4: Simplify right side
    719,822.83x = 291,581,290,827.47
  5. Step 5: Solve for x
    x = 291,581,290,827.47/719,822.83
  6. Step 6: Final answer
    x = 405,073.69

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1.5x scale

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.