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Finding the Fourth Proportional to 469,238.94, 647,800.98 and 367,047.26

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Solution

The fourth proportional to 469,238.94, 647,800.98 and 367,047.26 is: 506,721.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,238.94 : 647,800.98 = 367,047.26 : x
  2. Step 2: Convert to fraction form
    469,238.94/647,800.98 = 367,047.26/x
  3. Step 3: Cross multiply
    469,238.94x = 647,800.98 × 367,047.26
  4. Step 4: Simplify right side
    469,238.94x = 237,773,574,734.32
  5. Step 5: Solve for x
    x = 237,773,574,734.32/469,238.94
  6. Step 6: Final answer
    x = 506,721.75

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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.