Home / 705,089.35-972,059.30-484,319.94

Finding the Fourth Proportional to 705,089.35, 972,059.30 and 484,319.94

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Solution

The fourth proportional to 705,089.35, 972,059.30 and 484,319.94 is: 667,699.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,089.35 : 972,059.30 = 484,319.94 : x
  2. Step 2: Convert to fraction form
    705,089.35/972,059.30 = 484,319.94/x
  3. Step 3: Cross multiply
    705,089.35x = 972,059.30 × 484,319.94
  4. Step 4: Simplify right side
    705,089.35x = 470,787,694,570.55
  5. Step 5: Solve for x
    x = 470,787,694,570.55/705,089.35
  6. Step 6: Final answer
    x = 667,699.34

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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.