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Finding the Fourth Proportional to 526,295.22, 789,695.58 and 413,271.06

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Solution

The fourth proportional to 526,295.22, 789,695.58 and 413,271.06 is: 620,105.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,295.22 : 789,695.58 = 413,271.06 : x
  2. Step 2: Convert to fraction form
    526,295.22/789,695.58 = 413,271.06/x
  3. Step 3: Cross multiply
    526,295.22x = 789,695.58 × 413,271.06
  4. Step 4: Simplify right side
    526,295.22x = 326,358,329,423.92
  5. Step 5: Solve for x
    x = 326,358,329,423.92/526,295.22
  6. Step 6: Final answer
    x = 620,105.06

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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.