Home / 709,743.38-1,064,782.88-229,970.39

Finding the Fourth Proportional to 709,743.38, 1,064,782.88 and 229,970.39

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Solution

The fourth proportional to 709,743.38, 1,064,782.88 and 229,970.39 is: 345,009.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,743.38 : 1,064,782.88 = 229,970.39 : x
  2. Step 2: Convert to fraction form
    709,743.38/1,064,782.88 = 229,970.39/x
  3. Step 3: Cross multiply
    709,743.38x = 1,064,782.88 × 229,970.39
  4. Step 4: Simplify right side
    709,743.38x = 244,868,527,705.16
  5. Step 5: Solve for x
    x = 244,868,527,705.16/709,743.38
  6. Step 6: Final answer
    x = 345,009.95

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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.