Home / 902,706.95-1,354,144.28-326,474.57

Finding the Fourth Proportional to 902,706.95, 1,354,144.28 and 326,474.57

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Solution

The fourth proportional to 902,706.95, 1,354,144.28 and 326,474.57 is: 489,742.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,706.95 : 1,354,144.28 = 326,474.57 : x
  2. Step 2: Convert to fraction form
    902,706.95/1,354,144.28 = 326,474.57/x
  3. Step 3: Cross multiply
    902,706.95x = 1,354,144.28 × 326,474.57
  4. Step 4: Simplify right side
    902,706.95x = 442,093,673,283.95
  5. Step 5: Solve for x
    x = 442,093,673,283.95/902,706.95
  6. Step 6: Final answer
    x = 489,742.18

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1.5x scale

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.