Home / 767,702.98-1,059,087.54-445,226.32

Finding the Fourth Proportional to 767,702.98, 1,059,087.54 and 445,226.32

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Solution

The fourth proportional to 767,702.98, 1,059,087.54 and 445,226.32 is: 614,213.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,702.98 : 1,059,087.54 = 445,226.32 : x
  2. Step 2: Convert to fraction form
    767,702.98/1,059,087.54 = 445,226.32/x
  3. Step 3: Cross multiply
    767,702.98x = 1,059,087.54 × 445,226.32
  4. Step 4: Simplify right side
    767,702.98x = 471,533,647,992.05
  5. Step 5: Solve for x
    x = 471,533,647,992.05/767,702.98
  6. Step 6: Final answer
    x = 614,213.65

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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.