Home / 812,955.48-1,120,072-536,822.96

Finding the Fourth Proportional to 812,955.48, 1,120,072 and 536,822.96

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Solution

The fourth proportional to 812,955.48, 1,120,072 and 536,822.96 is: 739,622.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,955.48 : 1,120,072 = 536,822.96 : x
  2. Step 2: Convert to fraction form
    812,955.48/1,120,072 = 536,822.96/x
  3. Step 3: Cross multiply
    812,955.48x = 1,120,072 × 536,822.96
  4. Step 4: Simplify right side
    812,955.48x = 601,280,366,453.12
  5. Step 5: Solve for x
    x = 601,280,366,453.12/812,955.48
  6. Step 6: Final answer
    x = 739,622.75

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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.