Home / 719,823.83-1,078,905.35-270,257.96

Finding the Fourth Proportional to 719,823.83, 1,078,905.35 and 270,257.96

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Solution

The fourth proportional to 719,823.83, 1,078,905.35 and 270,257.96 is: 405,075.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,823.83 : 1,078,905.35 = 270,257.96 : x
  2. Step 2: Convert to fraction form
    719,823.83/1,078,905.35 = 270,257.96/x
  3. Step 3: Cross multiply
    719,823.83x = 1,078,905.35 × 270,257.96
  4. Step 4: Simplify right side
    719,823.83x = 291,582,752,178.27
  5. Step 5: Solve for x
    x = 291,582,752,178.27/719,823.83
  6. Step 6: Final answer
    x = 405,075.16

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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.