Home / 738,893.03-1,108,386.38-312,349.36

Finding the Fourth Proportional to 738,893.03, 1,108,386.38 and 312,349.36

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Solution

The fourth proportional to 738,893.03, 1,108,386.38 and 312,349.36 is: 468,543.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,893.03 : 1,108,386.38 = 312,349.36 : x
  2. Step 2: Convert to fraction form
    738,893.03/1,108,386.38 = 312,349.36/x
  3. Step 3: Cross multiply
    738,893.03x = 1,108,386.38 × 312,349.36
  4. Step 4: Simplify right side
    738,893.03x = 346,203,777,634.94
  5. Step 5: Solve for x
    x = 346,203,777,634.94/738,893.03
  6. Step 6: Final answer
    x = 468,543.84

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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.