Home / 899,018.22-1,240,682.99-517,045.44

Finding the Fourth Proportional to 899,018.22, 1,240,682.99 and 517,045.44

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Solution

The fourth proportional to 899,018.22, 1,240,682.99 and 517,045.44 is: 713,544.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,018.22 : 1,240,682.99 = 517,045.44 : x
  2. Step 2: Convert to fraction form
    899,018.22/1,240,682.99 = 517,045.44/x
  3. Step 3: Cross multiply
    899,018.22x = 1,240,682.99 × 517,045.44
  4. Step 4: Simplify right side
    899,018.22x = 641,489,482,465.07
  5. Step 5: Solve for x
    x = 641,489,482,465.07/899,018.22
  6. Step 6: Final answer
    x = 713,544.47

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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.