Home / 709,743.76-1,064,783.45-229,970.77

Finding the Fourth Proportional to 709,743.76, 1,064,783.45 and 229,970.77

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Solution

The fourth proportional to 709,743.76, 1,064,783.45 and 229,970.77 is: 345,010.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,743.76 : 1,064,783.45 = 229,970.77 : x
  2. Step 2: Convert to fraction form
    709,743.76/1,064,783.45 = 229,970.77/x
  3. Step 3: Cross multiply
    709,743.76x = 1,064,783.45 × 229,970.77
  4. Step 4: Simplify right side
    709,743.76x = 244,869,066,067.94
  5. Step 5: Solve for x
    x = 244,869,066,067.94/709,743.76
  6. Step 6: Final answer
    x = 345,010.52

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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.