Home / 824,486.75-1,137,824.37-461,913.60

Finding the Fourth Proportional to 824,486.75, 1,137,824.37 and 461,913.60

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Solution

The fourth proportional to 824,486.75, 1,137,824.37 and 461,913.60 is: 637,459.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,486.75 : 1,137,824.37 = 461,913.60 : x
  2. Step 2: Convert to fraction form
    824,486.75/1,137,824.37 = 461,913.60/x
  3. Step 3: Cross multiply
    824,486.75x = 1,137,824.37 × 461,913.60
  4. Step 4: Simplify right side
    824,486.75x = 525,576,550,914.43
  5. Step 5: Solve for x
    x = 525,576,550,914.43/824,486.75
  6. Step 6: Final answer
    x = 637,459.07

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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.