Home / 858,825.15-1,185,324.48-496,459.07

Finding the Fourth Proportional to 858,825.15, 1,185,324.48 and 496,459.07

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Solution

The fourth proportional to 858,825.15, 1,185,324.48 and 496,459.07 is: 685,197.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,825.15 : 1,185,324.48 = 496,459.07 : x
  2. Step 2: Convert to fraction form
    858,825.15/1,185,324.48 = 496,459.07/x
  3. Step 3: Cross multiply
    858,825.15x = 1,185,324.48 × 496,459.07
  4. Step 4: Simplify right side
    858,825.15x = 588,465,088,989.03
  5. Step 5: Solve for x
    x = 588,465,088,989.03/858,825.15
  6. Step 6: Final answer
    x = 685,197.78

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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.