Home / 589,963.73-885,610.80-390,673.35

Finding the Fourth Proportional to 589,963.73, 885,610.80 and 390,673.35

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Solution

The fourth proportional to 589,963.73, 885,610.80 and 390,673.35 is: 586,450.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,963.73 : 885,610.80 = 390,673.35 : x
  2. Step 2: Convert to fraction form
    589,963.73/885,610.80 = 390,673.35/x
  3. Step 3: Cross multiply
    589,963.73x = 885,610.80 × 390,673.35
  4. Step 4: Simplify right side
    589,963.73x = 345,984,538,032.18
  5. Step 5: Solve for x
    x = 345,984,538,032.18/589,963.73
  6. Step 6: Final answer
    x = 586,450.53

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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.