Home / 856,117.60-1,283,254.80-323,432.80

Finding the Fourth Proportional to 856,117.60, 1,283,254.80 and 323,432.80

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Solution

The fourth proportional to 856,117.60, 1,283,254.80 and 323,432.80 is: 484,801.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,117.60 : 1,283,254.80 = 323,432.80 : x
  2. Step 2: Convert to fraction form
    856,117.60/1,283,254.80 = 323,432.80/x
  3. Step 3: Cross multiply
    856,117.60x = 1,283,254.80 × 323,432.80
  4. Step 4: Simplify right side
    856,117.60x = 415,046,693,077.44
  5. Step 5: Solve for x
    x = 415,046,693,077.44/856,117.60
  6. Step 6: Final answer
    x = 484,801.03

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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.