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Finding the Fourth Proportional to 614,496.30, 920,880.45 and 488,352.30

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Solution

The fourth proportional to 614,496.30, 920,880.45 and 488,352.30 is: 731,841.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,496.30 : 920,880.45 = 488,352.30 : x
  2. Step 2: Convert to fraction form
    614,496.30/920,880.45 = 488,352.30/x
  3. Step 3: Cross multiply
    614,496.30x = 920,880.45 × 488,352.30
  4. Step 4: Simplify right side
    614,496.30x = 449,714,085,782.54
  5. Step 5: Solve for x
    x = 449,714,085,782.54/614,496.30
  6. Step 6: Final answer
    x = 731,841.81

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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.