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Finding the Fourth Proportional to 679,492.82, 937,706.40 and 373,571.36

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Solution

The fourth proportional to 679,492.82, 937,706.40 and 373,571.36 is: 515,531.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,492.82 : 937,706.40 = 373,571.36 : x
  2. Step 2: Convert to fraction form
    679,492.82/937,706.40 = 373,571.36/x
  3. Step 3: Cross multiply
    679,492.82x = 937,706.40 × 373,571.36
  4. Step 4: Simplify right side
    679,492.82x = 350,300,253,956.57
  5. Step 5: Solve for x
    x = 350,300,253,956.57/679,492.82
  6. Step 6: Final answer
    x = 515,531.94

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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.