Home / 864,102.90-1,293,886.35-610,011.30

Finding the Fourth Proportional to 864,102.90, 1,293,886.35 and 610,011.30

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Solution

The fourth proportional to 864,102.90, 1,293,886.35 and 610,011.30 is: 913,415.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,102.90 : 1,293,886.35 = 610,011.30 : x
  2. Step 2: Convert to fraction form
    864,102.90/1,293,886.35 = 610,011.30/x
  3. Step 3: Cross multiply
    864,102.90x = 1,293,886.35 × 610,011.30
  4. Step 4: Simplify right side
    864,102.90x = 789,285,294,415.76
  5. Step 5: Solve for x
    x = 789,285,294,415.76/864,102.90
  6. Step 6: Final answer
    x = 913,415.86

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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.