Home / 722,948.18-1,083,281.66-266,912.31

Finding the Fourth Proportional to 722,948.18, 1,083,281.66 and 266,912.31

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Solution

The fourth proportional to 722,948.18, 1,083,281.66 and 266,912.31 is: 399,947.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,948.18 : 1,083,281.66 = 266,912.31 : x
  2. Step 2: Convert to fraction form
    722,948.18/1,083,281.66 = 266,912.31/x
  3. Step 3: Cross multiply
    722,948.18x = 1,083,281.66 × 266,912.31
  4. Step 4: Simplify right side
    722,948.18x = 289,141,208,916.67
  5. Step 5: Solve for x
    x = 289,141,208,916.67/722,948.18
  6. Step 6: Final answer
    x = 399,947.35

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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.