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Finding the Fourth Proportional to 562,894.30, 776,795.30 and 304,774.03

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Solution

The fourth proportional to 562,894.30, 776,795.30 and 304,774.03 is: 420,588.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,894.30 : 776,795.30 = 304,774.03 : x
  2. Step 2: Convert to fraction form
    562,894.30/776,795.30 = 304,774.03/x
  3. Step 3: Cross multiply
    562,894.30x = 776,795.30 × 304,774.03
  4. Step 4: Simplify right side
    562,894.30x = 236,747,034,066.06
  5. Step 5: Solve for x
    x = 236,747,034,066.06/562,894.30
  6. Step 6: Final answer
    x = 420,588.79

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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.