Home / 754,219.25-1,040,844.23-459,886.23

Finding the Fourth Proportional to 754,219.25, 1,040,844.23 and 459,886.23

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Solution

The fourth proportional to 754,219.25, 1,040,844.23 and 459,886.23 is: 634,656.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,219.25 : 1,040,844.23 = 459,886.23 : x
  2. Step 2: Convert to fraction form
    754,219.25/1,040,844.23 = 459,886.23/x
  3. Step 3: Cross multiply
    754,219.25x = 1,040,844.23 × 459,886.23
  4. Step 4: Simplify right side
    754,219.25x = 478,669,928,951.95
  5. Step 5: Solve for x
    x = 478,669,928,951.95/754,219.25
  6. Step 6: Final answer
    x = 634,656.21

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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.