Home / 477,208.69-658,328.55-422,815.95

Finding the Fourth Proportional to 477,208.69, 658,328.55 and 422,815.95

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Solution

The fourth proportional to 477,208.69, 658,328.55 and 422,815.95 is: 583,291.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,208.69 : 658,328.55 = 422,815.95 : x
  2. Step 2: Convert to fraction form
    477,208.69/658,328.55 = 422,815.95/x
  3. Step 3: Cross multiply
    477,208.69x = 658,328.55 × 422,815.95
  4. Step 4: Simplify right side
    477,208.69x = 278,351,811,280.37
  5. Step 5: Solve for x
    x = 278,351,811,280.37/477,208.69
  6. Step 6: Final answer
    x = 583,291.58

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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.