Home / 722,219.69-996,985.05-477,351.93

Finding the Fourth Proportional to 722,219.69, 996,985.05 and 477,351.93

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Solution

The fourth proportional to 722,219.69, 996,985.05 and 477,351.93 is: 658,958.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,219.69 : 996,985.05 = 477,351.93 : x
  2. Step 2: Convert to fraction form
    722,219.69/996,985.05 = 477,351.93/x
  3. Step 3: Cross multiply
    722,219.69x = 996,985.05 × 477,351.93
  4. Step 4: Simplify right side
    722,219.69x = 475,912,737,798.65
  5. Step 5: Solve for x
    x = 475,912,737,798.65/722,219.69
  6. Step 6: Final answer
    x = 658,958.41

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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.