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Finding the Fourth Proportional to 608,493.60, 912,999.60 and 384,026.40

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Solution

The fourth proportional to 608,493.60, 912,999.60 and 384,026.40 is: 576,203.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,493.60 : 912,999.60 = 384,026.40 : x
  2. Step 2: Convert to fraction form
    608,493.60/912,999.60 = 384,026.40/x
  3. Step 3: Cross multiply
    608,493.60x = 912,999.60 × 384,026.40
  4. Step 4: Simplify right side
    608,493.60x = 350,615,949,589.44
  5. Step 5: Solve for x
    x = 350,615,949,589.44/608,493.60
  6. Step 6: Final answer
    x = 576,203.18

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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.