Home / 721,742.73-1,080,457.12-436,570.26

Finding the Fourth Proportional to 721,742.73, 1,080,457.12 and 436,570.26

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Solution

The fourth proportional to 721,742.73, 1,080,457.12 and 436,570.26 is: 653,550.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,742.73 : 1,080,457.12 = 436,570.26 : x
  2. Step 2: Convert to fraction form
    721,742.73/1,080,457.12 = 436,570.26/x
  3. Step 3: Cross multiply
    721,742.73x = 1,080,457.12 × 436,570.26
  4. Step 4: Simplify right side
    721,742.73x = 471,695,445,797.25
  5. Step 5: Solve for x
    x = 471,695,445,797.25/721,742.73
  6. Step 6: Final answer
    x = 653,550.67

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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.