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Finding the Fourth Proportional to 578,418.58, 798,212.08 and 333,313.29

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Solution

The fourth proportional to 578,418.58, 798,212.08 and 333,313.29 is: 459,969.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,418.58 : 798,212.08 = 333,313.29 : x
  2. Step 2: Convert to fraction form
    578,418.58/798,212.08 = 333,313.29/x
  3. Step 3: Cross multiply
    578,418.58x = 798,212.08 × 333,313.29
  4. Step 4: Simplify right side
    578,418.58x = 266,054,694,502.54
  5. Step 5: Solve for x
    x = 266,054,694,502.54/578,418.58
  6. Step 6: Final answer
    x = 459,969.14

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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.