Home / 905,243.04-1,358,118.77-265,561.88

Finding the Fourth Proportional to 905,243.04, 1,358,118.77 and 265,561.88

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Solution

The fourth proportional to 905,243.04, 1,358,118.77 and 265,561.88 is: 398,417.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,243.04 : 1,358,118.77 = 265,561.88 : x
  2. Step 2: Convert to fraction form
    905,243.04/1,358,118.77 = 265,561.88/x
  3. Step 3: Cross multiply
    905,243.04x = 1,358,118.77 × 265,561.88
  4. Step 4: Simplify right side
    905,243.04x = 360,664,565,706.08
  5. Step 5: Solve for x
    x = 360,664,565,706.08/905,243.04
  6. Step 6: Final answer
    x = 398,417.39

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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.