Home / 851,630.27-1,175,210.15-488,798.73

Finding the Fourth Proportional to 851,630.27, 1,175,210.15 and 488,798.73

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Solution

The fourth proportional to 851,630.27, 1,175,210.15 and 488,798.73 is: 674,519.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,630.27 : 1,175,210.15 = 488,798.73 : x
  2. Step 2: Convert to fraction form
    851,630.27/1,175,210.15 = 488,798.73/x
  3. Step 3: Cross multiply
    851,630.27x = 1,175,210.15 × 488,798.73
  4. Step 4: Simplify right side
    851,630.27x = 574,441,226,359.12
  5. Step 5: Solve for x
    x = 574,441,226,359.12/851,630.27
  6. Step 6: Final answer
    x = 674,519.51

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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.