Home / 838,446.84-1,157,025.60-456,465.96

Finding the Fourth Proportional to 838,446.84, 1,157,025.60 and 456,465.96

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Solution

The fourth proportional to 838,446.84, 1,157,025.60 and 456,465.96 is: 629,906.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,446.84 : 1,157,025.60 = 456,465.96 : x
  2. Step 2: Convert to fraction form
    838,446.84/1,157,025.60 = 456,465.96/x
  3. Step 3: Cross multiply
    838,446.84x = 1,157,025.60 × 456,465.96
  4. Step 4: Simplify right side
    838,446.84x = 528,142,801,248.58
  5. Step 5: Solve for x
    x = 528,142,801,248.58/838,446.84
  6. Step 6: Final answer
    x = 629,906.13

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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.