Home / 578,447.02-798,246.88-320,318.85

Finding the Fourth Proportional to 578,447.02, 798,246.88 and 320,318.85

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Solution

The fourth proportional to 578,447.02, 798,246.88 and 320,318.85 is: 442,034.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,447.02 : 798,246.88 = 320,318.85 : x
  2. Step 2: Convert to fraction form
    578,447.02/798,246.88 = 320,318.85/x
  3. Step 3: Cross multiply
    578,447.02x = 798,246.88 × 320,318.85
  4. Step 4: Simplify right side
    578,447.02x = 255,693,522,617.69
  5. Step 5: Solve for x
    x = 255,693,522,617.69/578,447.02
  6. Step 6: Final answer
    x = 442,034.48

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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.