Home / 705,366.80-1,057,623.84-284,150.72

Finding the Fourth Proportional to 705,366.80, 1,057,623.84 and 284,150.72

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Solution

The fourth proportional to 705,366.80, 1,057,623.84 and 284,150.72 is: 426,054.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,366.80 : 1,057,623.84 = 284,150.72 : x
  2. Step 2: Convert to fraction form
    705,366.80/1,057,623.84 = 284,150.72/x
  3. Step 3: Cross multiply
    705,366.80x = 1,057,623.84 × 284,150.72
  4. Step 4: Simplify right side
    705,366.80x = 300,524,575,625.17
  5. Step 5: Solve for x
    x = 300,524,575,625.17/705,366.80
  6. Step 6: Final answer
    x = 426,054.32

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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.