Home / 347,831.60-521,747.40-277,847.60

Finding the Fourth Proportional to 347,831.60, 521,747.40 and 277,847.60

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Solution

The fourth proportional to 347,831.60, 521,747.40 and 277,847.60 is: 416,771.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,831.60 : 521,747.40 = 277,847.60 : x
  2. Step 2: Convert to fraction form
    347,831.60/521,747.40 = 277,847.60/x
  3. Step 3: Cross multiply
    347,831.60x = 521,747.40 × 277,847.60
  4. Step 4: Simplify right side
    347,831.60x = 144,966,262,896.24
  5. Step 5: Solve for x
    x = 144,966,262,896.24/347,831.60
  6. Step 6: Final answer
    x = 416,771.40

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Similar ratio
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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.