Home / 780,775.02-1,171,334.88-331,879.50

Finding the Fourth Proportional to 780,775.02, 1,171,334.88 and 331,879.50

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Solution

The fourth proportional to 780,775.02, 1,171,334.88 and 331,879.50 is: 497,892.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,775.02 : 1,171,334.88 = 331,879.50 : x
  2. Step 2: Convert to fraction form
    780,775.02/1,171,334.88 = 331,879.50/x
  3. Step 3: Cross multiply
    780,775.02x = 1,171,334.88 × 331,879.50
  4. Step 4: Simplify right side
    780,775.02x = 388,742,034,306.96
  5. Step 5: Solve for x
    x = 388,742,034,306.96/780,775.02
  6. Step 6: Final answer
    x = 497,892.51

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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.