Home / 828,684.98-1,143,597.08-489,153.23

Finding the Fourth Proportional to 828,684.98, 1,143,597.08 and 489,153.23

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Solution

The fourth proportional to 828,684.98, 1,143,597.08 and 489,153.23 is: 675,038.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,684.98 : 1,143,597.08 = 489,153.23 : x
  2. Step 2: Convert to fraction form
    828,684.98/1,143,597.08 = 489,153.23/x
  3. Step 3: Cross multiply
    828,684.98x = 1,143,597.08 × 489,153.23
  4. Step 4: Simplify right side
    828,684.98x = 559,394,205,500.57
  5. Step 5: Solve for x
    x = 559,394,205,500.57/828,684.98
  6. Step 6: Final answer
    x = 675,038.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.