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Finding the Fourth Proportional to 578,325.69, 798,114.39 and 320,202.63

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Solution

The fourth proportional to 578,325.69, 798,114.39 and 320,202.63 is: 441,893.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,325.69 : 798,114.39 = 320,202.63 : x
  2. Step 2: Convert to fraction form
    578,325.69/798,114.39 = 320,202.63/x
  3. Step 3: Cross multiply
    578,325.69x = 798,114.39 × 320,202.63
  4. Step 4: Simplify right side
    578,325.69x = 255,558,326,418.66
  5. Step 5: Solve for x
    x = 255,558,326,418.66/578,325.69
  6. Step 6: Final answer
    x = 441,893.44

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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.