Home / 689,913.56-1,034,874.93-240,632.75

Finding the Fourth Proportional to 689,913.56, 1,034,874.93 and 240,632.75

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Solution

The fourth proportional to 689,913.56, 1,034,874.93 and 240,632.75 is: 360,950.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,913.56 : 1,034,874.93 = 240,632.75 : x
  2. Step 2: Convert to fraction form
    689,913.56/1,034,874.93 = 240,632.75/x
  3. Step 3: Cross multiply
    689,913.56x = 1,034,874.93 × 240,632.75
  4. Step 4: Simplify right side
    689,913.56x = 249,024,800,311.96
  5. Step 5: Solve for x
    x = 249,024,800,311.96/689,913.56
  6. Step 6: Final answer
    x = 360,950.73

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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.