Home / 709,746.38-1,064,787.38-229,973.39

Finding the Fourth Proportional to 709,746.38, 1,064,787.38 and 229,973.39

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Solution

The fourth proportional to 709,746.38, 1,064,787.38 and 229,973.39 is: 345,014.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,746.38 : 1,064,787.38 = 229,973.39 : x
  2. Step 2: Convert to fraction form
    709,746.38/1,064,787.38 = 229,973.39/x
  3. Step 3: Cross multiply
    709,746.38x = 1,064,787.38 × 229,973.39
  4. Step 4: Simplify right side
    709,746.38x = 244,872,756,934.01
  5. Step 5: Solve for x
    x = 244,872,756,934.01/709,746.38
  6. Step 6: Final answer
    x = 345,014.45

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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.