Home / 908,386.80-1,362,580.20-889,724.40

Finding the Fourth Proportional to 908,386.80, 1,362,580.20 and 889,724.40

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Solution

The fourth proportional to 908,386.80, 1,362,580.20 and 889,724.40 is: 1,334,586.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,386.80 : 1,362,580.20 = 889,724.40 : x
  2. Step 2: Convert to fraction form
    908,386.80/1,362,580.20 = 889,724.40/x
  3. Step 3: Cross multiply
    908,386.80x = 1,362,580.20 × 889,724.40
  4. Step 4: Simplify right side
    908,386.80x = 1,212,320,850,896.88
  5. Step 5: Solve for x
    x = 1,212,320,850,896.88/908,386.80
  6. Step 6: Final answer
    x = 1,334,586.60

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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.