Home / 878,211.48-1,211,263.15-755,912.01

Finding the Fourth Proportional to 878,211.48, 1,211,263.15 and 755,912.01

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Solution

The fourth proportional to 878,211.48, 1,211,263.15 and 755,912.01 is: 1,042,583.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,211.48 : 1,211,263.15 = 755,912.01 : x
  2. Step 2: Convert to fraction form
    878,211.48/1,211,263.15 = 755,912.01/x
  3. Step 3: Cross multiply
    878,211.48x = 1,211,263.15 × 755,912.01
  4. Step 4: Simplify right side
    878,211.48x = 915,608,362,355.43
  5. Step 5: Solve for x
    x = 915,608,362,355.43/878,211.48
  6. Step 6: Final answer
    x = 1,042,583.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.