Home / 885,888.80-1,329,026.99-286,910.51

Finding the Fourth Proportional to 885,888.80, 1,329,026.99 and 286,910.51

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Solution

The fourth proportional to 885,888.80, 1,329,026.99 and 286,910.51 is: 430,428.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,888.80 : 1,329,026.99 = 286,910.51 : x
  2. Step 2: Convert to fraction form
    885,888.80/1,329,026.99 = 286,910.51/x
  3. Step 3: Cross multiply
    885,888.80x = 1,329,026.99 × 286,910.51
  4. Step 4: Simplify right side
    885,888.80x = 381,311,805,576.81
  5. Step 5: Solve for x
    x = 381,311,805,576.81/885,888.80
  6. Step 6: Final answer
    x = 430,428.52

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.