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Finding the Fourth Proportional to 651,856.70, 899,603.78 and 365,376.81

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Solution

The fourth proportional to 651,856.70, 899,603.78 and 365,376.81 is: 504,243.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,856.70 : 899,603.78 = 365,376.81 : x
  2. Step 2: Convert to fraction form
    651,856.70/899,603.78 = 365,376.81/x
  3. Step 3: Cross multiply
    651,856.70x = 899,603.78 × 365,376.81
  4. Step 4: Simplify right side
    651,856.70x = 328,694,359,400.34
  5. Step 5: Solve for x
    x = 328,694,359,400.34/651,856.70
  6. Step 6: Final answer
    x = 504,243.28

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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.