Home / 744,410.10-1,116,615.15-389,532.90

Finding the Fourth Proportional to 744,410.10, 1,116,615.15 and 389,532.90

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Solution

The fourth proportional to 744,410.10, 1,116,615.15 and 389,532.90 is: 584,299.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,410.10 : 1,116,615.15 = 389,532.90 : x
  2. Step 2: Convert to fraction form
    744,410.10/1,116,615.15 = 389,532.90/x
  3. Step 3: Cross multiply
    744,410.10x = 1,116,615.15 × 389,532.90
  4. Step 4: Simplify right side
    744,410.10x = 434,958,337,563.44
  5. Step 5: Solve for x
    x = 434,958,337,563.44/744,410.10
  6. Step 6: Final answer
    x = 584,299.35

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Double scale
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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.