Home / 782,457.45-1,173,765.74-270,055.90

Finding the Fourth Proportional to 782,457.45, 1,173,765.74 and 270,055.90

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Solution

The fourth proportional to 782,457.45, 1,173,765.74 and 270,055.90 is: 405,111.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,457.45 : 1,173,765.74 = 270,055.90 : x
  2. Step 2: Convert to fraction form
    782,457.45/1,173,765.74 = 270,055.90/x
  3. Step 3: Cross multiply
    782,457.45x = 1,173,765.74 × 270,055.90
  4. Step 4: Simplify right side
    782,457.45x = 316,982,359,020.17
  5. Step 5: Solve for x
    x = 316,982,359,020.17/782,457.45
  6. Step 6: Final answer
    x = 405,111.31

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Double scale
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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.