Home / 768,014.20-1,152,637.46-347,326.84

Finding the Fourth Proportional to 768,014.20, 1,152,637.46 and 347,326.84

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Solution

The fourth proportional to 768,014.20, 1,152,637.46 and 347,326.84 is: 521,268.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,014.20 : 1,152,637.46 = 347,326.84 : x
  2. Step 2: Convert to fraction form
    768,014.20/1,152,637.46 = 347,326.84/x
  3. Step 3: Cross multiply
    768,014.20x = 1,152,637.46 × 347,326.84
  4. Step 4: Simplify right side
    768,014.20x = 400,341,926,647.43
  5. Step 5: Solve for x
    x = 400,341,926,647.43/768,014.20
  6. Step 6: Final answer
    x = 521,268.91

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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.