Home / 777,329.64-1,163,360.94-477,999.81

Finding the Fourth Proportional to 777,329.64, 1,163,360.94 and 477,999.81

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Solution

The fourth proportional to 777,329.64, 1,163,360.94 and 477,999.81 is: 715,380.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,329.64 : 1,163,360.94 = 477,999.81 : x
  2. Step 2: Convert to fraction form
    777,329.64/1,163,360.94 = 477,999.81/x
  3. Step 3: Cross multiply
    777,329.64x = 1,163,360.94 × 477,999.81
  4. Step 4: Simplify right side
    777,329.64x = 556,086,308,281.42
  5. Step 5: Solve for x
    x = 556,086,308,281.42/777,329.64
  6. Step 6: Final answer
    x = 715,380.30

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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.