Home / 809,492.10-1,213,201.35-621,572.10

Finding the Fourth Proportional to 809,492.10, 1,213,201.35 and 621,572.10

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Solution

The fourth proportional to 809,492.10, 1,213,201.35 and 621,572.10 is: 931,562.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,492.10 : 1,213,201.35 = 621,572.10 : x
  2. Step 2: Convert to fraction form
    809,492.10/1,213,201.35 = 621,572.10/x
  3. Step 3: Cross multiply
    809,492.10x = 1,213,201.35 × 621,572.10
  4. Step 4: Simplify right side
    809,492.10x = 754,092,110,842.34
  5. Step 5: Solve for x
    x = 754,092,110,842.34/809,492.10
  6. Step 6: Final answer
    x = 931,562.04

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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.