Home / 860,827.44-1,291,191.36-328,402.32

Finding the Fourth Proportional to 860,827.44, 1,291,191.36 and 328,402.32

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Solution

The fourth proportional to 860,827.44, 1,291,191.36 and 328,402.32 is: 492,584.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,827.44 : 1,291,191.36 = 328,402.32 : x
  2. Step 2: Convert to fraction form
    860,827.44/1,291,191.36 = 328,402.32/x
  3. Step 3: Cross multiply
    860,827.44x = 1,291,191.36 × 328,402.32
  4. Step 4: Simplify right side
    860,827.44x = 424,030,238,187.96
  5. Step 5: Solve for x
    x = 424,030,238,187.96/860,827.44
  6. Step 6: Final answer
    x = 492,584.48

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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.