Home / 804,979.10-1,207,510.02-205,945.43

Finding the Fourth Proportional to 804,979.10, 1,207,510.02 and 205,945.43

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Solution

The fourth proportional to 804,979.10, 1,207,510.02 and 205,945.43 is: 308,928.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,979.10 : 1,207,510.02 = 205,945.43 : x
  2. Step 2: Convert to fraction form
    804,979.10/1,207,510.02 = 205,945.43/x
  3. Step 3: Cross multiply
    804,979.10x = 1,207,510.02 × 205,945.43
  4. Step 4: Simplify right side
    804,979.10x = 248,681,170,298.21
  5. Step 5: Solve for x
    x = 248,681,170,298.21/804,979.10
  6. Step 6: Final answer
    x = 308,928.73

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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.