Home / 762,164.66-1,143,689.74-341,440.54

Finding the Fourth Proportional to 762,164.66, 1,143,689.74 and 341,440.54

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Solution

The fourth proportional to 762,164.66, 1,143,689.74 and 341,440.54 is: 512,359.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,164.66 : 1,143,689.74 = 341,440.54 : x
  2. Step 2: Convert to fraction form
    762,164.66/1,143,689.74 = 341,440.54/x
  3. Step 3: Cross multiply
    762,164.66x = 1,143,689.74 × 341,440.54
  4. Step 4: Simplify right side
    762,164.66x = 390,502,042,418.06
  5. Step 5: Solve for x
    x = 390,502,042,418.06/762,164.66
  6. Step 6: Final answer
    x = 512,359.16

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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.