Home / 578,448.02-798,248.26-320,319.85

Finding the Fourth Proportional to 578,448.02, 798,248.26 and 320,319.85

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Solution

The fourth proportional to 578,448.02, 798,248.26 and 320,319.85 is: 442,035.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,448.02 : 798,248.26 = 320,319.85 : x
  2. Step 2: Convert to fraction form
    578,448.02/798,248.26 = 320,319.85/x
  3. Step 3: Cross multiply
    578,448.02x = 798,248.26 × 320,319.85
  4. Step 4: Simplify right side
    578,448.02x = 255,694,762,905.96
  5. Step 5: Solve for x
    x = 255,694,762,905.96/578,448.02
  6. Step 6: Final answer
    x = 442,035.85

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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.