Home / 818,790.93-1,129,916.54-456,207.04

Finding the Fourth Proportional to 818,790.93, 1,129,916.54 and 456,207.04

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Solution

The fourth proportional to 818,790.93, 1,129,916.54 and 456,207.04 is: 629,557.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,790.93 : 1,129,916.54 = 456,207.04 : x
  2. Step 2: Convert to fraction form
    818,790.93/1,129,916.54 = 456,207.04/x
  3. Step 3: Cross multiply
    818,790.93x = 1,129,916.54 × 456,207.04
  4. Step 4: Simplify right side
    818,790.93x = 515,475,873,791.41
  5. Step 5: Solve for x
    x = 515,475,873,791.41/818,790.93
  6. Step 6: Final answer
    x = 629,557.38

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1.5x scale

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.