Home / 777,172.90-1,164,263.66-476,776.30

Finding the Fourth Proportional to 777,172.90, 1,164,263.66 and 476,776.30

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Solution

The fourth proportional to 777,172.90, 1,164,263.66 and 476,776.30 is: 714,246.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,172.90 : 1,164,263.66 = 476,776.30 : x
  2. Step 2: Convert to fraction form
    777,172.90/1,164,263.66 = 476,776.30/x
  3. Step 3: Cross multiply
    777,172.90x = 1,164,263.66 × 476,776.30
  4. Step 4: Simplify right side
    777,172.90x = 555,093,320,039.26
  5. Step 5: Solve for x
    x = 555,093,320,039.26/777,172.90
  6. Step 6: Final answer
    x = 714,246.88

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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.