Home / 578,336.40-798,129.16-320,213.33

Finding the Fourth Proportional to 578,336.40, 798,129.16 and 320,213.33

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Solution

The fourth proportional to 578,336.40, 798,129.16 and 320,213.33 is: 441,908.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,336.40 : 798,129.16 = 320,213.33 : x
  2. Step 2: Convert to fraction form
    578,336.40/798,129.16 = 320,213.33/x
  3. Step 3: Cross multiply
    578,336.40x = 798,129.16 × 320,213.33
  4. Step 4: Simplify right side
    578,336.40x = 255,571,596,093.70
  5. Step 5: Solve for x
    x = 255,571,596,093.70/578,336.40
  6. Step 6: Final answer
    x = 441,908.20

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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.