Home / 698,981.43-1,046,896.95-489,554.31

Finding the Fourth Proportional to 698,981.43, 1,046,896.95 and 489,554.31

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Solution

The fourth proportional to 698,981.43, 1,046,896.95 and 489,554.31 is: 733,228.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,981.43 : 1,046,896.95 = 489,554.31 : x
  2. Step 2: Convert to fraction form
    698,981.43/1,046,896.95 = 489,554.31/x
  3. Step 3: Cross multiply
    698,981.43x = 1,046,896.95 × 489,554.31
  4. Step 4: Simplify right side
    698,981.43x = 512,512,913,998.36
  5. Step 5: Solve for x
    x = 512,512,913,998.36/698,981.43
  6. Step 6: Final answer
    x = 733,228.23

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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.