Home / 830,927.76-1,245,893.04-381,084.96

Finding the Fourth Proportional to 830,927.76, 1,245,893.04 and 381,084.96

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Solution

The fourth proportional to 830,927.76, 1,245,893.04 and 381,084.96 is: 571,398.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,927.76 : 1,245,893.04 = 381,084.96 : x
  2. Step 2: Convert to fraction form
    830,927.76/1,245,893.04 = 381,084.96/x
  3. Step 3: Cross multiply
    830,927.76x = 1,245,893.04 × 381,084.96
  4. Step 4: Simplify right side
    830,927.76x = 474,791,099,312.68
  5. Step 5: Solve for x
    x = 474,791,099,312.68/830,927.76
  6. Step 6: Final answer
    x = 571,398.77

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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.