Home / 875,067.79-1,312,643.41-425,252.77

Finding the Fourth Proportional to 875,067.79, 1,312,643.41 and 425,252.77

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Solution

The fourth proportional to 875,067.79, 1,312,643.41 and 425,252.77 is: 637,899.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,067.79 : 1,312,643.41 = 425,252.77 : x
  2. Step 2: Convert to fraction form
    875,067.79/1,312,643.41 = 425,252.77/x
  3. Step 3: Cross multiply
    875,067.79x = 1,312,643.41 × 425,252.77
  4. Step 4: Simplify right side
    875,067.79x = 558,205,246,124.75
  5. Step 5: Solve for x
    x = 558,205,246,124.75/875,067.79
  6. Step 6: Final answer
    x = 637,899.43

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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.