Home / 526,020.43-789,229.37-315,804.91

Finding the Fourth Proportional to 526,020.43, 789,229.37 and 315,804.91

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Solution

The fourth proportional to 526,020.43, 789,229.37 and 315,804.91 is: 473,826.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,020.43 : 789,229.37 = 315,804.91 : x
  2. Step 2: Convert to fraction form
    526,020.43/789,229.37 = 315,804.91/x
  3. Step 3: Cross multiply
    526,020.43x = 789,229.37 × 315,804.91
  4. Step 4: Simplify right side
    526,020.43x = 249,242,510,162.21
  5. Step 5: Solve for x
    x = 249,242,510,162.21/526,020.43
  6. Step 6: Final answer
    x = 473,826.67

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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.