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Finding the Fourth Proportional to 536,479.20, 804,718.80 and 283,413.60

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Solution

The fourth proportional to 536,479.20, 804,718.80 and 283,413.60 is: 425,120.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,479.20 : 804,718.80 = 283,413.60 : x
  2. Step 2: Convert to fraction form
    536,479.20/804,718.80 = 283,413.60/x
  3. Step 3: Cross multiply
    536,479.20x = 804,718.80 × 283,413.60
  4. Step 4: Simplify right side
    536,479.20x = 228,068,252,095.68
  5. Step 5: Solve for x
    x = 228,068,252,095.68/536,479.20
  6. Step 6: Final answer
    x = 425,120.40

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Similar ratio
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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.