Home / 389,831.42-584,952.08-276,709.25

Finding the Fourth Proportional to 389,831.42, 584,952.08 and 276,709.25

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Solution

The fourth proportional to 389,831.42, 584,952.08 and 276,709.25 is: 415,209.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,831.42 : 584,952.08 = 276,709.25 : x
  2. Step 2: Convert to fraction form
    389,831.42/584,952.08 = 276,709.25/x
  3. Step 3: Cross multiply
    389,831.42x = 584,952.08 × 276,709.25
  4. Step 4: Simplify right side
    389,831.42x = 161,861,651,421.57
  5. Step 5: Solve for x
    x = 161,861,651,421.57/389,831.42
  6. Step 6: Final answer
    x = 415,209.35

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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.