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Finding the Fourth Proportional to 703,061.07, 970,284.01 and 397,193.58

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Solution

The fourth proportional to 703,061.07, 970,284.01 and 397,193.58 is: 548,160.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,061.07 : 970,284.01 = 397,193.58 : x
  2. Step 2: Convert to fraction form
    703,061.07/970,284.01 = 397,193.58/x
  3. Step 3: Cross multiply
    703,061.07x = 970,284.01 × 397,193.58
  4. Step 4: Simplify right side
    703,061.07x = 385,390,579,548.66
  5. Step 5: Solve for x
    x = 385,390,579,548.66/703,061.07
  6. Step 6: Final answer
    x = 548,160.89

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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.