Home / 851,255.24-1,174,740.18-469,295.72

Finding the Fourth Proportional to 851,255.24, 1,174,740.18 and 469,295.72

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Solution

The fourth proportional to 851,255.24, 1,174,740.18 and 469,295.72 is: 647,632.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,255.24 : 1,174,740.18 = 469,295.72 : x
  2. Step 2: Convert to fraction form
    851,255.24/1,174,740.18 = 469,295.72/x
  3. Step 3: Cross multiply
    851,255.24x = 1,174,740.18 × 469,295.72
  4. Step 4: Simplify right side
    851,255.24x = 551,300,538,586.03
  5. Step 5: Solve for x
    x = 551,300,538,586.03/851,255.24
  6. Step 6: Final answer
    x = 647,632.48

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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.