Home / 885,692.31-1,328,749.27-286,653.47

Finding the Fourth Proportional to 885,692.31, 1,328,749.27 and 286,653.47

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Solution

The fourth proportional to 885,692.31, 1,328,749.27 and 286,653.47 is: 430,048.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,692.31 : 1,328,749.27 = 286,653.47 : x
  2. Step 2: Convert to fraction form
    885,692.31/1,328,749.27 = 286,653.47/x
  3. Step 3: Cross multiply
    885,692.31x = 1,328,749.27 × 286,653.47
  4. Step 4: Simplify right side
    885,692.31x = 380,890,589,005.47
  5. Step 5: Solve for x
    x = 380,890,589,005.47/885,692.31
  6. Step 6: Final answer
    x = 430,048.43

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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.