Home / 579,285.12-799,412.22-352,930.80

Finding the Fourth Proportional to 579,285.12, 799,412.22 and 352,930.80

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Solution

The fourth proportional to 579,285.12, 799,412.22 and 352,930.80 is: 487,043.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,285.12 : 799,412.22 = 352,930.80 : x
  2. Step 2: Convert to fraction form
    579,285.12/799,412.22 = 352,930.80/x
  3. Step 3: Cross multiply
    579,285.12x = 799,412.22 × 352,930.80
  4. Step 4: Simplify right side
    579,285.12x = 282,137,194,334.38
  5. Step 5: Solve for x
    x = 282,137,194,334.38/579,285.12
  6. Step 6: Final answer
    x = 487,043.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.