Home / 510,072.31-703,890.25-348,921.91

Finding the Fourth Proportional to 510,072.31, 703,890.25 and 348,921.91

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Solution

The fourth proportional to 510,072.31, 703,890.25 and 348,921.91 is: 481,505.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,072.31 : 703,890.25 = 348,921.91 : x
  2. Step 2: Convert to fraction form
    510,072.31/703,890.25 = 348,921.91/x
  3. Step 3: Cross multiply
    510,072.31x = 703,890.25 × 348,921.91
  4. Step 4: Simplify right side
    510,072.31x = 245,602,730,460.38
  5. Step 5: Solve for x
    x = 245,602,730,460.38/510,072.31
  6. Step 6: Final answer
    x = 481,505.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.