Home / 579,064.75-799,115.02-320,947.31

Finding the Fourth Proportional to 579,064.75, 799,115.02 and 320,947.31

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Solution

The fourth proportional to 579,064.75, 799,115.02 and 320,947.31 is: 442,910.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,064.75 : 799,115.02 = 320,947.31 : x
  2. Step 2: Convert to fraction form
    579,064.75/799,115.02 = 320,947.31/x
  3. Step 3: Cross multiply
    579,064.75x = 799,115.02 × 320,947.31
  4. Step 4: Simplify right side
    579,064.75x = 256,473,817,245.02
  5. Step 5: Solve for x
    x = 256,473,817,245.02/579,064.75
  6. Step 6: Final answer
    x = 442,910.43

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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.