Home / 744,390.04-1,115,695.54-270,520.60

Finding the Fourth Proportional to 744,390.04, 1,115,695.54 and 270,520.60

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Solution

The fourth proportional to 744,390.04, 1,115,695.54 and 270,520.60 is: 405,457.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,390.04 : 1,115,695.54 = 270,520.60 : x
  2. Step 2: Convert to fraction form
    744,390.04/1,115,695.54 = 270,520.60/x
  3. Step 3: Cross multiply
    744,390.04x = 1,115,695.54 × 270,520.60
  4. Step 4: Simplify right side
    744,390.04x = 301,818,626,898.12
  5. Step 5: Solve for x
    x = 301,818,626,898.12/744,390.04
  6. Step 6: Final answer
    x = 405,457.64

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Similar ratio
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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.