Home / 694,693.70-1,042,040.55-470,161.70

Finding the Fourth Proportional to 694,693.70, 1,042,040.55 and 470,161.70

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Solution

The fourth proportional to 694,693.70, 1,042,040.55 and 470,161.70 is: 705,242.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,693.70 : 1,042,040.55 = 470,161.70 : x
  2. Step 2: Convert to fraction form
    694,693.70/1,042,040.55 = 470,161.70/x
  3. Step 3: Cross multiply
    694,693.70x = 1,042,040.55 × 470,161.70
  4. Step 4: Simplify right side
    694,693.70x = 489,927,556,456.94
  5. Step 5: Solve for x
    x = 489,927,556,456.94/694,693.70
  6. Step 6: Final answer
    x = 705,242.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.