Home / 719,635.40-1,079,973.95-281,519.74

Finding the Fourth Proportional to 719,635.40, 1,079,973.95 and 281,519.74

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Solution

The fourth proportional to 719,635.40, 1,079,973.95 and 281,519.74 is: 422,483.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,635.40 : 1,079,973.95 = 281,519.74 : x
  2. Step 2: Convert to fraction form
    719,635.40/1,079,973.95 = 281,519.74/x
  3. Step 3: Cross multiply
    719,635.40x = 1,079,973.95 × 281,519.74
  4. Step 4: Simplify right side
    719,635.40x = 304,033,980,282.65
  5. Step 5: Solve for x
    x = 304,033,980,282.65/719,635.40
  6. Step 6: Final answer
    x = 422,483.36

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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.