Home / 850,653.76-1,173,891.35-463,485.30

Finding the Fourth Proportional to 850,653.76, 1,173,891.35 and 463,485.30

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Solution

The fourth proportional to 850,653.76, 1,173,891.35 and 463,485.30 is: 639,603.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,653.76 : 1,173,891.35 = 463,485.30 : x
  2. Step 2: Convert to fraction form
    850,653.76/1,173,891.35 = 463,485.30/x
  3. Step 3: Cross multiply
    850,653.76x = 1,173,891.35 × 463,485.30
  4. Step 4: Simplify right side
    850,653.76x = 544,081,385,680.87
  5. Step 5: Solve for x
    x = 544,081,385,680.87/850,653.76
  6. Step 6: Final answer
    x = 639,603.81

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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.