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Finding the Fourth Proportional to 562,103.33, 775,955.88 and 358,428.02

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Solution

The fourth proportional to 562,103.33, 775,955.88 and 358,428.02 is: 494,792.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,103.33 : 775,955.88 = 358,428.02 : x
  2. Step 2: Convert to fraction form
    562,103.33/775,955.88 = 358,428.02/x
  3. Step 3: Cross multiply
    562,103.33x = 775,955.88 × 358,428.02
  4. Step 4: Simplify right side
    562,103.33x = 278,124,325,795.98
  5. Step 5: Solve for x
    x = 278,124,325,795.98/562,103.33
  6. Step 6: Final answer
    x = 494,792.17

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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.