Home / 885,891.01-1,329,030.31-286,912.71

Finding the Fourth Proportional to 885,891.01, 1,329,030.31 and 286,912.71

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Solution

The fourth proportional to 885,891.01, 1,329,030.31 and 286,912.71 is: 430,431.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,891.01 : 1,329,030.31 = 286,912.71 : x
  2. Step 2: Convert to fraction form
    885,891.01/1,329,030.31 = 286,912.71/x
  3. Step 3: Cross multiply
    885,891.01x = 1,329,030.31 × 286,912.71
  4. Step 4: Simplify right side
    885,891.01x = 381,315,688,796.93
  5. Step 5: Solve for x
    x = 381,315,688,796.93/885,891.01
  6. Step 6: Final answer
    x = 430,431.83

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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.