Home / 759,546.71-1,047,339.81-487,511.85

Finding the Fourth Proportional to 759,546.71, 1,047,339.81 and 487,511.85

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Solution

The fourth proportional to 759,546.71, 1,047,339.81 and 487,511.85 is: 672,230.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,546.71 : 1,047,339.81 = 487,511.85 : x
  2. Step 2: Convert to fraction form
    759,546.71/1,047,339.81 = 487,511.85/x
  3. Step 3: Cross multiply
    759,546.71x = 1,047,339.81 × 487,511.85
  4. Step 4: Simplify right side
    759,546.71x = 510,590,568,351.75
  5. Step 5: Solve for x
    x = 510,590,568,351.75/759,546.71
  6. Step 6: Final answer
    x = 672,230.64

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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.