Home / 885,718.01-1,328,787.93-286,679.27

Finding the Fourth Proportional to 885,718.01, 1,328,787.93 and 286,679.27

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Solution

The fourth proportional to 885,718.01, 1,328,787.93 and 286,679.27 is: 430,087.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,718.01 : 1,328,787.93 = 286,679.27 : x
  2. Step 2: Convert to fraction form
    885,718.01/1,328,787.93 = 286,679.27/x
  3. Step 3: Cross multiply
    885,718.01x = 1,328,787.93 × 286,679.27
  4. Step 4: Simplify right side
    885,718.01x = 380,935,952,323.82
  5. Step 5: Solve for x
    x = 380,935,952,323.82/885,718.01
  6. Step 6: Final answer
    x = 430,087.17

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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.