Home / 858,958.12-1,185,401.66-476,986.40

Finding the Fourth Proportional to 858,958.12, 1,185,401.66 and 476,986.40

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Solution

The fourth proportional to 858,958.12, 1,185,401.66 and 476,986.40 is: 658,263.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,958.12 : 1,185,401.66 = 476,986.40 : x
  2. Step 2: Convert to fraction form
    858,958.12/1,185,401.66 = 476,986.40/x
  3. Step 3: Cross multiply
    858,958.12x = 1,185,401.66 × 476,986.40
  4. Step 4: Simplify right side
    858,958.12x = 565,420,470,357.42
  5. Step 5: Solve for x
    x = 565,420,470,357.42/858,958.12
  6. Step 6: Final answer
    x = 658,263.14

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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.