Home / 739,312.04-1,108,804.62-206,689.88

Finding the Fourth Proportional to 739,312.04, 1,108,804.62 and 206,689.88

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Solution

The fourth proportional to 739,312.04, 1,108,804.62 and 206,689.88 is: 309,989.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,312.04 : 1,108,804.62 = 206,689.88 : x
  2. Step 2: Convert to fraction form
    739,312.04/1,108,804.62 = 206,689.88/x
  3. Step 3: Cross multiply
    739,312.04x = 1,108,804.62 × 206,689.88
  4. Step 4: Simplify right side
    739,312.04x = 229,178,693,851.25
  5. Step 5: Solve for x
    x = 229,178,693,851.25/739,312.04
  6. Step 6: Final answer
    x = 309,989.13

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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.