Home / 389,006.10-579,418.07-370,804.50

Finding the Fourth Proportional to 389,006.10, 579,418.07 and 370,804.50

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Solution

The fourth proportional to 389,006.10, 579,418.07 and 370,804.50 is: 552,307.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,006.10 : 579,418.07 = 370,804.50 : x
  2. Step 2: Convert to fraction form
    389,006.10/579,418.07 = 370,804.50/x
  3. Step 3: Cross multiply
    389,006.10x = 579,418.07 × 370,804.50
  4. Step 4: Simplify right side
    389,006.10x = 214,850,825,883.29
  5. Step 5: Solve for x
    x = 214,850,825,883.29/389,006.10
  6. Step 6: Final answer
    x = 552,307.09

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.