Home / 858,858.57-1,185,260.99-476,920.89

Finding the Fourth Proportional to 858,858.57, 1,185,260.99 and 476,920.89

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Solution

The fourth proportional to 858,858.57, 1,185,260.99 and 476,920.89 is: 658,170.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,858.57 : 1,185,260.99 = 476,920.89 : x
  2. Step 2: Convert to fraction form
    858,858.57/1,185,260.99 = 476,920.89/x
  3. Step 3: Cross multiply
    858,858.57x = 1,185,260.99 × 476,920.89
  4. Step 4: Simplify right side
    858,858.57x = 565,275,723,848.48
  5. Step 5: Solve for x
    x = 565,275,723,848.48/858,858.57
  6. Step 6: Final answer
    x = 658,170.91

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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.