Home / 873,823.34-1,310,781.71-274,831.20

Finding the Fourth Proportional to 873,823.34, 1,310,781.71 and 274,831.20

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Solution

The fourth proportional to 873,823.34, 1,310,781.71 and 274,831.20 is: 412,261.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,823.34 : 1,310,781.71 = 274,831.20 : x
  2. Step 2: Convert to fraction form
    873,823.34/1,310,781.71 = 274,831.20/x
  3. Step 3: Cross multiply
    873,823.34x = 1,310,781.71 × 274,831.20
  4. Step 4: Simplify right side
    873,823.34x = 360,243,710,984.43
  5. Step 5: Solve for x
    x = 360,243,710,984.43/873,823.34
  6. Step 6: Final answer
    x = 412,261.49

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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.