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Finding the Fourth Proportional to 560,773.44, 840,837 and 383,495.28

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Solution

The fourth proportional to 560,773.44, 840,837 and 383,495.28 is: 575,021.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,773.44 : 840,837 = 383,495.28 : x
  2. Step 2: Convert to fraction form
    560,773.44/840,837 = 383,495.28/x
  3. Step 3: Cross multiply
    560,773.44x = 840,837 × 383,495.28
  4. Step 4: Simplify right side
    560,773.44x = 322,457,020,749.36
  5. Step 5: Solve for x
    x = 322,457,020,749.36/560,773.44
  6. Step 6: Final answer
    x = 575,021.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.