Home / 735,780.75-1,103,984.82-286,817.67

Finding the Fourth Proportional to 735,780.75, 1,103,984.82 and 286,817.67

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Solution

The fourth proportional to 735,780.75, 1,103,984.82 and 286,817.67 is: 430,348.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,780.75 : 1,103,984.82 = 286,817.67 : x
  2. Step 2: Convert to fraction form
    735,780.75/1,103,984.82 = 286,817.67/x
  3. Step 3: Cross multiply
    735,780.75x = 1,103,984.82 × 286,817.67
  4. Step 4: Simplify right side
    735,780.75x = 316,642,353,787.77
  5. Step 5: Solve for x
    x = 316,642,353,787.77/735,780.75
  6. Step 6: Final answer
    x = 430,348.79

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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.