Home / 740,289.17-1,021,599.41-400,757.42

Finding the Fourth Proportional to 740,289.17, 1,021,599.41 and 400,757.42

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Solution

The fourth proportional to 740,289.17, 1,021,599.41 and 400,757.42 is: 553,045.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,289.17 : 1,021,599.41 = 400,757.42 : x
  2. Step 2: Convert to fraction form
    740,289.17/1,021,599.41 = 400,757.42/x
  3. Step 3: Cross multiply
    740,289.17x = 1,021,599.41 × 400,757.42
  4. Step 4: Simplify right side
    740,289.17x = 409,413,544,375.33
  5. Step 5: Solve for x
    x = 409,413,544,375.33/740,289.17
  6. Step 6: Final answer
    x = 553,045.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.