Home / 719,103.42-1,078,374.80-269,579.01

Finding the Fourth Proportional to 719,103.42, 1,078,374.80 and 269,579.01

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Solution

The fourth proportional to 719,103.42, 1,078,374.80 and 269,579.01 is: 404,263.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,103.42 : 1,078,374.80 = 269,579.01 : x
  2. Step 2: Convert to fraction form
    719,103.42/1,078,374.80 = 269,579.01/x
  3. Step 3: Cross multiply
    719,103.42x = 1,078,374.80 × 269,579.01
  4. Step 4: Simplify right side
    719,103.42x = 290,707,208,970.96
  5. Step 5: Solve for x
    x = 290,707,208,970.96/719,103.42
  6. Step 6: Final answer
    x = 404,263.42

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1.5x scale

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.