Home / 1,042,484.40-1,563,540-312,858.96

Finding the Fourth Proportional to 1,042,484.40, 1,563,540 and 312,858.96

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Solution

The fourth proportional to 1,042,484.40, 1,563,540 and 312,858.96 is: 469,232.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,484.40 : 1,563,540 = 312,858.96 : x
  2. Step 2: Convert to fraction form
    1,042,484.40/1,563,540 = 312,858.96/x
  3. Step 3: Cross multiply
    1,042,484.40x = 1,563,540 × 312,858.96
  4. Step 4: Simplify right side
    1,042,484.40x = 489,167,498,318.40
  5. Step 5: Solve for x
    x = 489,167,498,318.40/1,042,484.40
  6. Step 6: Final answer
    x = 469,232.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.