Home / 851,011.40-1,174,402.88-469,039.16

Finding the Fourth Proportional to 851,011.40, 1,174,402.88 and 469,039.16

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Solution

The fourth proportional to 851,011.40, 1,174,402.88 and 469,039.16 is: 647,277.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,011.40 : 1,174,402.88 = 469,039.16 : x
  2. Step 2: Convert to fraction form
    851,011.40/1,174,402.88 = 469,039.16/x
  3. Step 3: Cross multiply
    851,011.40x = 1,174,402.88 × 469,039.16
  4. Step 4: Simplify right side
    851,011.40x = 550,840,940,336.78
  5. Step 5: Solve for x
    x = 550,840,940,336.78/851,011.40
  6. Step 6: Final answer
    x = 647,277.98

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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.