Home / 858,807.14-1,288,210.77-267,831.14

Finding the Fourth Proportional to 858,807.14, 1,288,210.77 and 267,831.14

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Solution

The fourth proportional to 858,807.14, 1,288,210.77 and 267,831.14 is: 401,746.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,807.14 : 1,288,210.77 = 267,831.14 : x
  2. Step 2: Convert to fraction form
    858,807.14/1,288,210.77 = 267,831.14/x
  3. Step 3: Cross multiply
    858,807.14x = 1,288,210.77 × 267,831.14
  4. Step 4: Simplify right side
    858,807.14x = 345,022,959,089.38
  5. Step 5: Solve for x
    x = 345,022,959,089.38/858,807.14
  6. Step 6: Final answer
    x = 401,746.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.