Home / 350,725.02-483,873.39-287,331.18

Finding the Fourth Proportional to 350,725.02, 483,873.39 and 287,331.18

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Solution

The fourth proportional to 350,725.02, 483,873.39 and 287,331.18 is: 396,412.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,725.02 : 483,873.39 = 287,331.18 : x
  2. Step 2: Convert to fraction form
    350,725.02/483,873.39 = 287,331.18/x
  3. Step 3: Cross multiply
    350,725.02x = 483,873.39 × 287,331.18
  4. Step 4: Simplify right side
    350,725.02x = 139,031,912,119.30
  5. Step 5: Solve for x
    x = 139,031,912,119.30/350,725.02
  6. Step 6: Final answer
    x = 396,412.87

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1.5x scale

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.