Home / 850,981.86-1,174,352.46-469,008.54

Finding the Fourth Proportional to 850,981.86, 1,174,352.46 and 469,008.54

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Solution

The fourth proportional to 850,981.86, 1,174,352.46 and 469,008.54 is: 647,230.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,981.86 : 1,174,352.46 = 469,008.54 : x
  2. Step 2: Convert to fraction form
    850,981.86/1,174,352.46 = 469,008.54/x
  3. Step 3: Cross multiply
    850,981.86x = 1,174,352.46 × 469,008.54
  4. Step 4: Simplify right side
    850,981.86x = 550,781,332,710.01
  5. Step 5: Solve for x
    x = 550,781,332,710.01/850,981.86
  6. Step 6: Final answer
    x = 647,230.40

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1.5x scale

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.