Home / 858,745.20-1,185,013.52-476,771.84

Finding the Fourth Proportional to 858,745.20, 1,185,013.52 and 476,771.84

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Solution

The fourth proportional to 858,745.20, 1,185,013.52 and 476,771.84 is: 657,914.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,745.20 : 1,185,013.52 = 476,771.84 : x
  2. Step 2: Convert to fraction form
    858,745.20/1,185,013.52 = 476,771.84/x
  3. Step 3: Cross multiply
    858,745.20x = 1,185,013.52 × 476,771.84
  4. Step 4: Simplify right side
    858,745.20x = 564,981,076,355.28
  5. Step 5: Solve for x
    x = 564,981,076,355.28/858,745.20
  6. Step 6: Final answer
    x = 657,914.68

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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.