Home / 880,638.24-1,320,541.02-341,147.20

Finding the Fourth Proportional to 880,638.24, 1,320,541.02 and 341,147.20

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Solution

The fourth proportional to 880,638.24, 1,320,541.02 and 341,147.20 is: 511,559.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,638.24 : 1,320,541.02 = 341,147.20 : x
  2. Step 2: Convert to fraction form
    880,638.24/1,320,541.02 = 341,147.20/x
  3. Step 3: Cross multiply
    880,638.24x = 1,320,541.02 × 341,147.20
  4. Step 4: Simplify right side
    880,638.24x = 450,498,871,458.14
  5. Step 5: Solve for x
    x = 450,498,871,458.14/880,638.24
  6. Step 6: Final answer
    x = 511,559.52

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Double scale
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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.