Home / 458,217.02-687,828.32-364,052.49

Finding the Fourth Proportional to 458,217.02, 687,828.32 and 364,052.49

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Solution

The fourth proportional to 458,217.02, 687,828.32 and 364,052.49 is: 546,478.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,217.02 : 687,828.32 = 364,052.49 : x
  2. Step 2: Convert to fraction form
    458,217.02/687,828.32 = 364,052.49/x
  3. Step 3: Cross multiply
    458,217.02x = 687,828.32 × 364,052.49
  4. Step 4: Simplify right side
    458,217.02x = 250,405,610,768.25
  5. Step 5: Solve for x
    x = 250,405,610,768.25/458,217.02
  6. Step 6: Final answer
    x = 546,478.20

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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.