Home / 713,831.28-985,088.76-412,025.04

Finding the Fourth Proportional to 713,831.28, 985,088.76 and 412,025.04

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Solution

The fourth proportional to 713,831.28, 985,088.76 and 412,025.04 is: 568,595.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,831.28 : 985,088.76 = 412,025.04 : x
  2. Step 2: Convert to fraction form
    713,831.28/985,088.76 = 412,025.04/x
  3. Step 3: Cross multiply
    713,831.28x = 985,088.76 × 412,025.04
  4. Step 4: Simplify right side
    713,831.28x = 405,881,235,742.55
  5. Step 5: Solve for x
    x = 405,881,235,742.55/713,831.28
  6. Step 6: Final answer
    x = 568,595.48

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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.