Home / 825,345.03-1,138,961.71-462,767.77

Finding the Fourth Proportional to 825,345.03, 1,138,961.71 and 462,767.77

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Solution

The fourth proportional to 825,345.03, 1,138,961.71 and 462,767.77 is: 638,611.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,345.03 : 1,138,961.71 = 462,767.77 : x
  2. Step 2: Convert to fraction form
    825,345.03/1,138,961.71 = 462,767.77/x
  3. Step 3: Cross multiply
    825,345.03x = 1,138,961.71 × 462,767.77
  4. Step 4: Simplify right side
    825,345.03x = 527,074,762,643.44
  5. Step 5: Solve for x
    x = 527,074,762,643.44/825,345.03
  6. Step 6: Final answer
    x = 638,611.42

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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.