Home / 395,408.04-595,810.20-326,823.72

Finding the Fourth Proportional to 395,408.04, 595,810.20 and 326,823.72

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Solution

The fourth proportional to 395,408.04, 595,810.20 and 326,823.72 is: 492,465.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,408.04 : 595,810.20 = 326,823.72 : x
  2. Step 2: Convert to fraction form
    395,408.04/595,810.20 = 326,823.72/x
  3. Step 3: Cross multiply
    395,408.04x = 595,810.20 × 326,823.72
  4. Step 4: Simplify right side
    395,408.04x = 194,724,905,977.94
  5. Step 5: Solve for x
    x = 194,724,905,977.94/395,408.04
  6. Step 6: Final answer
    x = 492,465.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.