Home / 901,977.63-1,244,257.21-557,703.51

Finding the Fourth Proportional to 901,977.63, 1,244,257.21 and 557,703.51

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Solution

The fourth proportional to 901,977.63, 1,244,257.21 and 557,703.51 is: 769,339.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,977.63 : 1,244,257.21 = 557,703.51 : x
  2. Step 2: Convert to fraction form
    901,977.63/1,244,257.21 = 557,703.51/x
  3. Step 3: Cross multiply
    901,977.63x = 1,244,257.21 × 557,703.51
  4. Step 4: Simplify right side
    901,977.63x = 693,926,607,138.52
  5. Step 5: Solve for x
    x = 693,926,607,138.52/901,977.63
  6. Step 6: Final answer
    x = 769,339.05

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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.