Home / 454,746.08-682,116.36-117,785.84

Finding the Fourth Proportional to 454,746.08, 682,116.36 and 117,785.84

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Solution

The fourth proportional to 454,746.08, 682,116.36 and 117,785.84 is: 176,678.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,746.08 : 682,116.36 = 117,785.84 : x
  2. Step 2: Convert to fraction form
    454,746.08/682,116.36 = 117,785.84/x
  3. Step 3: Cross multiply
    454,746.08x = 682,116.36 × 117,785.84
  4. Step 4: Simplify right side
    454,746.08x = 80,343,648,440.34
  5. Step 5: Solve for x
    x = 80,343,648,440.34/454,746.08
  6. Step 6: Final answer
    x = 176,678.05

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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.