Home / 908,628.70-1,362,943.05-902,407.90

Finding the Fourth Proportional to 908,628.70, 1,362,943.05 and 902,407.90

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Solution

The fourth proportional to 908,628.70, 1,362,943.05 and 902,407.90 is: 1,353,611.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,628.70 : 1,362,943.05 = 902,407.90 : x
  2. Step 2: Convert to fraction form
    908,628.70/1,362,943.05 = 902,407.90/x
  3. Step 3: Cross multiply
    908,628.70x = 1,362,943.05 × 902,407.90
  4. Step 4: Simplify right side
    908,628.70x = 1,229,930,575,570.10
  5. Step 5: Solve for x
    x = 1,229,930,575,570.10/908,628.70
  6. Step 6: Final answer
    x = 1,353,611.85

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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.