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Finding the Fourth Proportional to 562,387.42, 776,092.51 and 304,263.56

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Solution

The fourth proportional to 562,387.42, 776,092.51 and 304,263.56 is: 419,882.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,387.42 : 776,092.51 = 304,263.56 : x
  2. Step 2: Convert to fraction form
    562,387.42/776,092.51 = 304,263.56/x
  3. Step 3: Cross multiply
    562,387.42x = 776,092.51 × 304,263.56
  4. Step 4: Simplify right side
    562,387.42x = 236,136,666,225.49
  5. Step 5: Solve for x
    x = 236,136,666,225.49/562,387.42
  6. Step 6: Final answer
    x = 419,882.55

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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.