Home / 749,458.58-1,034,590.59-477,891.50

Finding the Fourth Proportional to 749,458.58, 1,034,590.59 and 477,891.50

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Solution

The fourth proportional to 749,458.58, 1,034,590.59 and 477,891.50 is: 659,705.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,458.58 : 1,034,590.59 = 477,891.50 : x
  2. Step 2: Convert to fraction form
    749,458.58/1,034,590.59 = 477,891.50/x
  3. Step 3: Cross multiply
    749,458.58x = 1,034,590.59 × 477,891.50
  4. Step 4: Simplify right side
    749,458.58x = 494,422,043,768.03
  5. Step 5: Solve for x
    x = 494,422,043,768.03/749,458.58
  6. Step 6: Final answer
    x = 659,705.63

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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.