Home / 832,845.74-1,249,782.75-327,317.85

Finding the Fourth Proportional to 832,845.74, 1,249,782.75 and 327,317.85

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Solution

The fourth proportional to 832,845.74, 1,249,782.75 and 327,317.85 is: 491,178.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,845.74 : 1,249,782.75 = 327,317.85 : x
  2. Step 2: Convert to fraction form
    832,845.74/1,249,782.75 = 327,317.85/x
  3. Step 3: Cross multiply
    832,845.74x = 1,249,782.75 × 327,317.85
  4. Step 4: Simplify right side
    832,845.74x = 409,076,202,697.09
  5. Step 5: Solve for x
    x = 409,076,202,697.09/832,845.74
  6. Step 6: Final answer
    x = 491,178.84

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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.