Home / 889,896.48-1,228,076.72-507,915.36

Finding the Fourth Proportional to 889,896.48, 1,228,076.72 and 507,915.36

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Solution

The fourth proportional to 889,896.48, 1,228,076.72 and 507,915.36 is: 700,934.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,896.48 : 1,228,076.72 = 507,915.36 : x
  2. Step 2: Convert to fraction form
    889,896.48/1,228,076.72 = 507,915.36/x
  3. Step 3: Cross multiply
    889,896.48x = 1,228,076.72 × 507,915.36
  4. Step 4: Simplify right side
    889,896.48x = 623,759,029,346.42
  5. Step 5: Solve for x
    x = 623,759,029,346.42/889,896.48
  6. Step 6: Final answer
    x = 700,934.37

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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.