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Finding the Fourth Proportional to 608,657.60, 913,735.20 and 384,017.60

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Solution

The fourth proportional to 608,657.60, 913,735.20 and 384,017.60 is: 576,498.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,657.60 : 913,735.20 = 384,017.60 : x
  2. Step 2: Convert to fraction form
    608,657.60/913,735.20 = 384,017.60/x
  3. Step 3: Cross multiply
    608,657.60x = 913,735.20 × 384,017.60
  4. Step 4: Simplify right side
    608,657.60x = 350,890,398,539.52
  5. Step 5: Solve for x
    x = 350,890,398,539.52/608,657.60
  6. Step 6: Final answer
    x = 576,498.84

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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.