Home / 686,776.46-1,030,024.41-260,165.21

Finding the Fourth Proportional to 686,776.46, 1,030,024.41 and 260,165.21

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Solution

The fourth proportional to 686,776.46, 1,030,024.41 and 260,165.21 is: 390,194.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,776.46 : 1,030,024.41 = 260,165.21 : x
  2. Step 2: Convert to fraction form
    686,776.46/1,030,024.41 = 260,165.21/x
  3. Step 3: Cross multiply
    686,776.46x = 1,030,024.41 × 260,165.21
  4. Step 4: Simplify right side
    686,776.46x = 267,976,514,435.69
  5. Step 5: Solve for x
    x = 267,976,514,435.69/686,776.46
  6. Step 6: Final answer
    x = 390,194.67

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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.