Home / 827,476.90-1,241,215.35-788,985.70

Finding the Fourth Proportional to 827,476.90, 1,241,215.35 and 788,985.70

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Solution

The fourth proportional to 827,476.90, 1,241,215.35 and 788,985.70 is: 1,183,478.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,476.90 : 1,241,215.35 = 788,985.70 : x
  2. Step 2: Convert to fraction form
    827,476.90/1,241,215.35 = 788,985.70/x
  3. Step 3: Cross multiply
    827,476.90x = 1,241,215.35 × 788,985.70
  4. Step 4: Simplify right side
    827,476.90x = 979,301,161,770.50
  5. Step 5: Solve for x
    x = 979,301,161,770.50/827,476.90
  6. Step 6: Final answer
    x = 1,183,478.55

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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.