Home / 706,154.40-1,058,842.80-284,954.40

Finding the Fourth Proportional to 706,154.40, 1,058,842.80 and 284,954.40

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Solution

The fourth proportional to 706,154.40, 1,058,842.80 and 284,954.40 is: 427,274.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,154.40 : 1,058,842.80 = 284,954.40 : x
  2. Step 2: Convert to fraction form
    706,154.40/1,058,842.80 = 284,954.40/x
  3. Step 3: Cross multiply
    706,154.40x = 1,058,842.80 × 284,954.40
  4. Step 4: Simplify right side
    706,154.40x = 301,721,914,768.32
  5. Step 5: Solve for x
    x = 301,721,914,768.32/706,154.40
  6. Step 6: Final answer
    x = 427,274.71

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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.