Home / 839,103.44-1,258,779.19-306,499.91

Finding the Fourth Proportional to 839,103.44, 1,258,779.19 and 306,499.91

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Solution

The fourth proportional to 839,103.44, 1,258,779.19 and 306,499.91 is: 459,795.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,103.44 : 1,258,779.19 = 306,499.91 : x
  2. Step 2: Convert to fraction form
    839,103.44/1,258,779.19 = 306,499.91/x
  3. Step 3: Cross multiply
    839,103.44x = 1,258,779.19 × 306,499.91
  4. Step 4: Simplify right side
    839,103.44x = 385,815,701,384.73
  5. Step 5: Solve for x
    x = 385,815,701,384.73/839,103.44
  6. Step 6: Final answer
    x = 459,795.16

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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.