Home / 434,832.80-651,374.40-293,115.20

Finding the Fourth Proportional to 434,832.80, 651,374.40 and 293,115.20

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Solution

The fourth proportional to 434,832.80, 651,374.40 and 293,115.20 is: 439,083.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,832.80 : 651,374.40 = 293,115.20 : x
  2. Step 2: Convert to fraction form
    434,832.80/651,374.40 = 293,115.20/x
  3. Step 3: Cross multiply
    434,832.80x = 651,374.40 × 293,115.20
  4. Step 4: Simplify right side
    434,832.80x = 190,927,737,530.88
  5. Step 5: Solve for x
    x = 190,927,737,530.88/434,832.80
  6. Step 6: Final answer
    x = 439,083.11

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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.