Home / 769,103.79-1,153,037.48-528,504.80

Finding the Fourth Proportional to 769,103.79, 1,153,037.48 and 528,504.80

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Solution

The fourth proportional to 769,103.79, 1,153,037.48 and 528,504.80 is: 792,332.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,103.79 : 1,153,037.48 = 528,504.80 : x
  2. Step 2: Convert to fraction form
    769,103.79/1,153,037.48 = 528,504.80/x
  3. Step 3: Cross multiply
    769,103.79x = 1,153,037.48 × 528,504.80
  4. Step 4: Simplify right side
    769,103.79x = 609,385,844,080.95
  5. Step 5: Solve for x
    x = 609,385,844,080.95/769,103.79
  6. Step 6: Final answer
    x = 792,332.39

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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.