Home / 405,016.20-607,524.30-326,284.20

Finding the Fourth Proportional to 405,016.20, 607,524.30 and 326,284.20

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Solution

The fourth proportional to 405,016.20, 607,524.30 and 326,284.20 is: 489,426.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,016.20 : 607,524.30 = 326,284.20 : x
  2. Step 2: Convert to fraction form
    405,016.20/607,524.30 = 326,284.20/x
  3. Step 3: Cross multiply
    405,016.20x = 607,524.30 × 326,284.20
  4. Step 4: Simplify right side
    405,016.20x = 198,225,580,206.06
  5. Step 5: Solve for x
    x = 198,225,580,206.06/405,016.20
  6. Step 6: Final answer
    x = 489,426.30

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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.