Home / 850,078.82-1,173,106.94-462,888.23

Finding the Fourth Proportional to 850,078.82, 1,173,106.94 and 462,888.23

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Solution

The fourth proportional to 850,078.82, 1,173,106.94 and 462,888.23 is: 638,784.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,078.82 : 1,173,106.94 = 462,888.23 : x
  2. Step 2: Convert to fraction form
    850,078.82/1,173,106.94 = 462,888.23/x
  3. Step 3: Cross multiply
    850,078.82x = 1,173,106.94 × 462,888.23
  4. Step 4: Simplify right side
    850,078.82x = 543,017,386,877.34
  5. Step 5: Solve for x
    x = 543,017,386,877.34/850,078.82
  6. Step 6: Final answer
    x = 638,784.75

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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.