Home / 772,831.80-1,159,247.70-274,246.20

Finding the Fourth Proportional to 772,831.80, 1,159,247.70 and 274,246.20

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Solution

The fourth proportional to 772,831.80, 1,159,247.70 and 274,246.20 is: 411,369.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,831.80 : 1,159,247.70 = 274,246.20 : x
  2. Step 2: Convert to fraction form
    772,831.80/1,159,247.70 = 274,246.20/x
  3. Step 3: Cross multiply
    772,831.80x = 1,159,247.70 × 274,246.20
  4. Step 4: Simplify right side
    772,831.80x = 317,919,276,583.74
  5. Step 5: Solve for x
    x = 317,919,276,583.74/772,831.80
  6. Step 6: Final answer
    x = 411,369.30

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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.