Home / 763,066.28-1,144,335.02-383,840.44

Finding the Fourth Proportional to 763,066.28, 1,144,335.02 and 383,840.44

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Solution

The fourth proportional to 763,066.28, 1,144,335.02 and 383,840.44 is: 575,627.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,066.28 : 1,144,335.02 = 383,840.44 : x
  2. Step 2: Convert to fraction form
    763,066.28/1,144,335.02 = 383,840.44/x
  3. Step 3: Cross multiply
    763,066.28x = 1,144,335.02 × 383,840.44
  4. Step 4: Simplify right side
    763,066.28x = 439,242,057,584.21
  5. Step 5: Solve for x
    x = 439,242,057,584.21/763,066.28
  6. Step 6: Final answer
    x = 575,627.66

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Double scale
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Similar ratio
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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.