Home / 579,276.12-799,399.80-352,921.80

Finding the Fourth Proportional to 579,276.12, 799,399.80 and 352,921.80

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Solution

The fourth proportional to 579,276.12, 799,399.80 and 352,921.80 is: 487,031.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,276.12 : 799,399.80 = 352,921.80 : x
  2. Step 2: Convert to fraction form
    579,276.12/799,399.80 = 352,921.80/x
  3. Step 3: Cross multiply
    579,276.12x = 799,399.80 × 352,921.80
  4. Step 4: Simplify right side
    579,276.12x = 282,125,616,335.64
  5. Step 5: Solve for x
    x = 282,125,616,335.64/579,276.12
  6. Step 6: Final answer
    x = 487,031.33

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Double scale
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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.