Home / 755,103.57-1,041,860.64-445,018.89

Finding the Fourth Proportional to 755,103.57, 1,041,860.64 and 445,018.89

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Solution

The fourth proportional to 755,103.57, 1,041,860.64 and 445,018.89 is: 614,018.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,103.57 : 1,041,860.64 = 445,018.89 : x
  2. Step 2: Convert to fraction form
    755,103.57/1,041,860.64 = 445,018.89/x
  3. Step 3: Cross multiply
    755,103.57x = 1,041,860.64 × 445,018.89
  4. Step 4: Simplify right side
    755,103.57x = 463,647,671,123.29
  5. Step 5: Solve for x
    x = 463,647,671,123.29/755,103.57
  6. Step 6: Final answer
    x = 614,018.65

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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.