Home / 815,527.25-1,125,427.61-457,831.25

Finding the Fourth Proportional to 815,527.25, 1,125,427.61 and 457,831.25

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Solution

The fourth proportional to 815,527.25, 1,125,427.61 and 457,831.25 is: 631,807.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,527.25 : 1,125,427.61 = 457,831.25 : x
  2. Step 2: Convert to fraction form
    815,527.25/1,125,427.61 = 457,831.25/x
  3. Step 3: Cross multiply
    815,527.25x = 1,125,427.61 × 457,831.25
  4. Step 4: Simplify right side
    815,527.25x = 515,255,929,470.81
  5. Step 5: Solve for x
    x = 515,255,929,470.81/815,527.25
  6. Step 6: Final answer
    x = 631,807.13

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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.