Home / 706,066.16-1,058,478.37-279,901.35

Finding the Fourth Proportional to 706,066.16, 1,058,478.37 and 279,901.35

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Solution

The fourth proportional to 706,066.16, 1,058,478.37 and 279,901.35 is: 419,605.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,066.16 : 1,058,478.37 = 279,901.35 : x
  2. Step 2: Convert to fraction form
    706,066.16/1,058,478.37 = 279,901.35/x
  3. Step 3: Cross multiply
    706,066.16x = 1,058,478.37 × 279,901.35
  4. Step 4: Simplify right side
    706,066.16x = 296,269,523,309.29
  5. Step 5: Solve for x
    x = 296,269,523,309.29/706,066.16
  6. Step 6: Final answer
    x = 419,605.90

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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.