Home / 855,231.57-1,180,139.46-510,998.97

Finding the Fourth Proportional to 855,231.57, 1,180,139.46 and 510,998.97

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Solution

The fourth proportional to 855,231.57, 1,180,139.46 and 510,998.97 is: 705,130.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,231.57 : 1,180,139.46 = 510,998.97 : x
  2. Step 2: Convert to fraction form
    855,231.57/1,180,139.46 = 510,998.97/x
  3. Step 3: Cross multiply
    855,231.57x = 1,180,139.46 × 510,998.97
  4. Step 4: Simplify right side
    855,231.57x = 603,050,048,516.36
  5. Step 5: Solve for x
    x = 603,050,048,516.36/855,231.57
  6. Step 6: Final answer
    x = 705,130.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.