Home / 731,272.62-1,097,168.73-326,428.14

Finding the Fourth Proportional to 731,272.62, 1,097,168.73 and 326,428.14

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Solution

The fourth proportional to 731,272.62, 1,097,168.73 and 326,428.14 is: 489,758.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,272.62 : 1,097,168.73 = 326,428.14 : x
  2. Step 2: Convert to fraction form
    731,272.62/1,097,168.73 = 326,428.14/x
  3. Step 3: Cross multiply
    731,272.62x = 1,097,168.73 × 326,428.14
  4. Step 4: Simplify right side
    731,272.62x = 358,146,747,800.06
  5. Step 5: Solve for x
    x = 358,146,747,800.06/731,272.62
  6. Step 6: Final answer
    x = 489,758.18

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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.