Home / 784,671.40-1,177,160.70-335,391.40

Finding the Fourth Proportional to 784,671.40, 1,177,160.70 and 335,391.40

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Solution

The fourth proportional to 784,671.40, 1,177,160.70 and 335,391.40 is: 503,152.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,671.40 : 1,177,160.70 = 335,391.40 : x
  2. Step 2: Convert to fraction form
    784,671.40/1,177,160.70 = 335,391.40/x
  3. Step 3: Cross multiply
    784,671.40x = 1,177,160.70 × 335,391.40
  4. Step 4: Simplify right side
    784,671.40x = 394,809,575,197.98
  5. Step 5: Solve for x
    x = 394,809,575,197.98/784,671.40
  6. Step 6: Final answer
    x = 503,152.75

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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.