Home / 774,237.90-1,161,503.73-268,779.18

Finding the Fourth Proportional to 774,237.90, 1,161,503.73 and 268,779.18

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Solution

The fourth proportional to 774,237.90, 1,161,503.73 and 268,779.18 is: 403,219.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,237.90 : 1,161,503.73 = 268,779.18 : x
  2. Step 2: Convert to fraction form
    774,237.90/1,161,503.73 = 268,779.18/x
  3. Step 3: Cross multiply
    774,237.90x = 1,161,503.73 × 268,779.18
  4. Step 4: Simplify right side
    774,237.90x = 312,188,020,116.34
  5. Step 5: Solve for x
    x = 312,188,020,116.34/774,237.90
  6. Step 6: Final answer
    x = 403,219.76

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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.