Home / 858,805.58-1,185,129.15-476,822.54

Finding the Fourth Proportional to 858,805.58, 1,185,129.15 and 476,822.54

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Solution

The fourth proportional to 858,805.58, 1,185,129.15 and 476,822.54 is: 658,002.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,805.58 : 1,185,129.15 = 476,822.54 : x
  2. Step 2: Convert to fraction form
    858,805.58/1,185,129.15 = 476,822.54/x
  3. Step 3: Cross multiply
    858,805.58x = 1,185,129.15 × 476,822.54
  4. Step 4: Simplify right side
    858,805.58x = 565,096,291,531.04
  5. Step 5: Solve for x
    x = 565,096,291,531.04/858,805.58
  6. Step 6: Final answer
    x = 658,002.58

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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.