Home / 733,780.95-1,100,780.78-260,426.67

Finding the Fourth Proportional to 733,780.95, 1,100,780.78 and 260,426.67

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Solution

The fourth proportional to 733,780.95, 1,100,780.78 and 260,426.67 is: 390,678.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,780.95 : 1,100,780.78 = 260,426.67 : x
  2. Step 2: Convert to fraction form
    733,780.95/1,100,780.78 = 260,426.67/x
  3. Step 3: Cross multiply
    733,780.95x = 1,100,780.78 × 260,426.67
  4. Step 4: Simplify right side
    733,780.95x = 286,672,671,633.27
  5. Step 5: Solve for x
    x = 286,672,671,633.27/733,780.95
  6. Step 6: Final answer
    x = 390,678.81

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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.