Home / 775,561.80-1,163,368.62-214,549.32

Finding the Fourth Proportional to 775,561.80, 1,163,368.62 and 214,549.32

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Solution

The fourth proportional to 775,561.80, 1,163,368.62 and 214,549.32 is: 321,831.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,561.80 : 1,163,368.62 = 214,549.32 : x
  2. Step 2: Convert to fraction form
    775,561.80/1,163,368.62 = 214,549.32/x
  3. Step 3: Cross multiply
    775,561.80x = 1,163,368.62 × 214,549.32
  4. Step 4: Simplify right side
    775,561.80x = 249,599,946,330.34
  5. Step 5: Solve for x
    x = 249,599,946,330.34/775,561.80
  6. Step 6: Final answer
    x = 321,831.15

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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.