Home / 862,082.64-1,189,710.95-480,109.41

Finding the Fourth Proportional to 862,082.64, 1,189,710.95 and 480,109.41

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Solution

The fourth proportional to 862,082.64, 1,189,710.95 and 480,109.41 is: 662,571.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,082.64 : 1,189,710.95 = 480,109.41 : x
  2. Step 2: Convert to fraction form
    862,082.64/1,189,710.95 = 480,109.41/x
  3. Step 3: Cross multiply
    862,082.64x = 1,189,710.95 × 480,109.41
  4. Step 4: Simplify right side
    862,082.64x = 571,191,419,874.49
  5. Step 5: Solve for x
    x = 571,191,419,874.49/862,082.64
  6. Step 6: Final answer
    x = 662,571.54

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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.