Home / 469,577.21-647,297.52-287,952.35

Finding the Fourth Proportional to 469,577.21, 647,297.52 and 287,952.35

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Solution

The fourth proportional to 469,577.21, 647,297.52 and 287,952.35 is: 396,933.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,577.21 : 647,297.52 = 287,952.35 : x
  2. Step 2: Convert to fraction form
    469,577.21/647,297.52 = 287,952.35/x
  3. Step 3: Cross multiply
    469,577.21x = 647,297.52 × 287,952.35
  4. Step 4: Simplify right side
    469,577.21x = 186,390,842,033.17
  5. Step 5: Solve for x
    x = 186,390,842,033.17/469,577.21
  6. Step 6: Final answer
    x = 396,933.32

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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.