Home / 869,336.54-1,199,666.56-482,089.48

Finding the Fourth Proportional to 869,336.54, 1,199,666.56 and 482,089.48

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Solution

The fourth proportional to 869,336.54, 1,199,666.56 and 482,089.48 is: 665,273.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,336.54 : 1,199,666.56 = 482,089.48 : x
  2. Step 2: Convert to fraction form
    869,336.54/1,199,666.56 = 482,089.48/x
  3. Step 3: Cross multiply
    869,336.54x = 1,199,666.56 × 482,089.48
  4. Step 4: Simplify right side
    869,336.54x = 578,346,628,083.79
  5. Step 5: Solve for x
    x = 578,346,628,083.79/869,336.54
  6. Step 6: Final answer
    x = 665,273.58

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.