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Finding the Fourth Proportional to 549,724.04, 758,605.94 and 308,016.80

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Solution

The fourth proportional to 549,724.04, 758,605.94 and 308,016.80 is: 425,055.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,724.04 : 758,605.94 = 308,016.80 : x
  2. Step 2: Convert to fraction form
    549,724.04/758,605.94 = 308,016.80/x
  3. Step 3: Cross multiply
    549,724.04x = 758,605.94 × 308,016.80
  4. Step 4: Simplify right side
    549,724.04x = 233,663,368,766.68
  5. Step 5: Solve for x
    x = 233,663,368,766.68/549,724.04
  6. Step 6: Final answer
    x = 425,055.76

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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.