Home / 850,981.83-1,174,352.49-469,008.51

Finding the Fourth Proportional to 850,981.83, 1,174,352.49 and 469,008.51

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Solution

The fourth proportional to 850,981.83, 1,174,352.49 and 469,008.51 is: 647,230.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,981.83 : 1,174,352.49 = 469,008.51 : x
  2. Step 2: Convert to fraction form
    850,981.83/1,174,352.49 = 469,008.51/x
  3. Step 3: Cross multiply
    850,981.83x = 1,174,352.49 × 469,008.51
  4. Step 4: Simplify right side
    850,981.83x = 550,781,311,549.69
  5. Step 5: Solve for x
    x = 550,781,311,549.69/850,981.83
  6. Step 6: Final answer
    x = 647,230.40

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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.