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Finding the Fourth Proportional to 480,653.14, 721,413.06 and 256,200.52

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Solution

The fourth proportional to 480,653.14, 721,413.06 and 256,200.52 is: 384,531.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,653.14 : 721,413.06 = 256,200.52 : x
  2. Step 2: Convert to fraction form
    480,653.14/721,413.06 = 256,200.52/x
  3. Step 3: Cross multiply
    480,653.14x = 721,413.06 × 256,200.52
  4. Step 4: Simplify right side
    480,653.14x = 184,826,398,022.26
  5. Step 5: Solve for x
    x = 184,826,398,022.26/480,653.14
  6. Step 6: Final answer
    x = 384,531.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.