Home / 620,516.77-929,914.02-282,731.92

Finding the Fourth Proportional to 620,516.77, 929,914.02 and 282,731.92

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Solution

The fourth proportional to 620,516.77, 929,914.02 and 282,731.92 is: 423,705.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,516.77 : 929,914.02 = 282,731.92 : x
  2. Step 2: Convert to fraction form
    620,516.77/929,914.02 = 282,731.92/x
  3. Step 3: Cross multiply
    620,516.77x = 929,914.02 × 282,731.92
  4. Step 4: Simplify right side
    620,516.77x = 262,916,373,984.73
  5. Step 5: Solve for x
    x = 262,916,373,984.73/620,516.77
  6. Step 6: Final answer
    x = 423,705.51

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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.