Home / 869,076.84-1,303,739.52-329,187.60

Finding the Fourth Proportional to 869,076.84, 1,303,739.52 and 329,187.60

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Solution

The fourth proportional to 869,076.84, 1,303,739.52 and 329,187.60 is: 493,828.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,076.84 : 1,303,739.52 = 329,187.60 : x
  2. Step 2: Convert to fraction form
    869,076.84/1,303,739.52 = 329,187.60/x
  3. Step 3: Cross multiply
    869,076.84x = 1,303,739.52 × 329,187.60
  4. Step 4: Simplify right side
    869,076.84x = 429,174,883,613.95
  5. Step 5: Solve for x
    x = 429,174,883,613.95/869,076.84
  6. Step 6: Final answer
    x = 493,828.47

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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.