Home / 903,700.94-1,247,100.17-521,938.22

Finding the Fourth Proportional to 903,700.94, 1,247,100.17 and 521,938.22

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Solution

The fourth proportional to 903,700.94, 1,247,100.17 and 521,938.22 is: 720,270.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,700.94 : 1,247,100.17 = 521,938.22 : x
  2. Step 2: Convert to fraction form
    903,700.94/1,247,100.17 = 521,938.22/x
  3. Step 3: Cross multiply
    903,700.94x = 1,247,100.17 × 521,938.22
  4. Step 4: Simplify right side
    903,700.94x = 650,909,234,046.31
  5. Step 5: Solve for x
    x = 650,909,234,046.31/903,700.94
  6. Step 6: Final answer
    x = 720,270.62

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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.