Home / 718,019.44-1,077,213.68-268,746.76

Finding the Fourth Proportional to 718,019.44, 1,077,213.68 and 268,746.76

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Solution

The fourth proportional to 718,019.44, 1,077,213.68 and 268,746.76 is: 403,189.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,019.44 : 1,077,213.68 = 268,746.76 : x
  2. Step 2: Convert to fraction form
    718,019.44/1,077,213.68 = 268,746.76/x
  3. Step 3: Cross multiply
    718,019.44x = 1,077,213.68 × 268,746.76
  4. Step 4: Simplify right side
    718,019.44x = 289,497,688,849.96
  5. Step 5: Solve for x
    x = 289,497,688,849.96/718,019.44
  6. Step 6: Final answer
    x = 403,189.21

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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.