Home / 768,990.21-1,153,719.05-544,784.43

Finding the Fourth Proportional to 768,990.21, 1,153,719.05 and 544,784.43

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Solution

The fourth proportional to 768,990.21, 1,153,719.05 and 544,784.43 is: 817,342.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,990.21 : 1,153,719.05 = 544,784.43 : x
  2. Step 2: Convert to fraction form
    768,990.21/1,153,719.05 = 544,784.43/x
  3. Step 3: Cross multiply
    768,990.21x = 1,153,719.05 × 544,784.43
  4. Step 4: Simplify right side
    768,990.21x = 628,528,176,636.92
  5. Step 5: Solve for x
    x = 628,528,176,636.92/768,990.21
  6. Step 6: Final answer
    x = 817,342.24

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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.