Home / 805,555.36-1,208,377.60-265,790.32

Finding the Fourth Proportional to 805,555.36, 1,208,377.60 and 265,790.32

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Solution

The fourth proportional to 805,555.36, 1,208,377.60 and 265,790.32 is: 398,700.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,555.36 : 1,208,377.60 = 265,790.32 : x
  2. Step 2: Convert to fraction form
    805,555.36/1,208,377.60 = 265,790.32/x
  3. Step 3: Cross multiply
    805,555.36x = 1,208,377.60 × 265,790.32
  4. Step 4: Simplify right side
    805,555.36x = 321,175,068,984.83
  5. Step 5: Solve for x
    x = 321,175,068,984.83/805,555.36
  6. Step 6: Final answer
    x = 398,700.18

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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.