Home / 739,970.58-1,109,830.67-207,369.03

Finding the Fourth Proportional to 739,970.58, 1,109,830.67 and 207,369.03

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Solution

The fourth proportional to 739,970.58, 1,109,830.67 and 207,369.03 is: 311,018.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,970.58 : 1,109,830.67 = 207,369.03 : x
  2. Step 2: Convert to fraction form
    739,970.58/1,109,830.67 = 207,369.03/x
  3. Step 3: Cross multiply
    739,970.58x = 1,109,830.67 × 207,369.03
  4. Step 4: Simplify right side
    739,970.58x = 230,144,509,502.15
  5. Step 5: Solve for x
    x = 230,144,509,502.15/739,970.58
  6. Step 6: Final answer
    x = 311,018.46

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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.