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Finding the Fourth Proportional to 651,208.51, 898,670.50 and 379,462.83

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Solution

The fourth proportional to 651,208.51, 898,670.50 and 379,462.83 is: 523,660.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,208.51 : 898,670.50 = 379,462.83 : x
  2. Step 2: Convert to fraction form
    651,208.51/898,670.50 = 379,462.83/x
  3. Step 3: Cross multiply
    651,208.51x = 898,670.50 × 379,462.83
  4. Step 4: Simplify right side
    651,208.51x = 341,012,046,848.84
  5. Step 5: Solve for x
    x = 341,012,046,848.84/651,208.51
  6. Step 6: Final answer
    x = 523,660.30

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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.