Home / 868,831.20-1,303,477.20-307,807.20

Finding the Fourth Proportional to 868,831.20, 1,303,477.20 and 307,807.20

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Solution

The fourth proportional to 868,831.20, 1,303,477.20 and 307,807.20 is: 461,792.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,831.20 : 1,303,477.20 = 307,807.20 : x
  2. Step 2: Convert to fraction form
    868,831.20/1,303,477.20 = 307,807.20/x
  3. Step 3: Cross multiply
    868,831.20x = 1,303,477.20 × 307,807.20
  4. Step 4: Simplify right side
    868,831.20x = 401,219,667,195.84
  5. Step 5: Solve for x
    x = 401,219,667,195.84/868,831.20
  6. Step 6: Final answer
    x = 461,792.43

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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.