Home / 651,749.01-899,400.07-357,394.60

Finding the Fourth Proportional to 651,749.01, 899,400.07 and 357,394.60

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Solution

The fourth proportional to 651,749.01, 899,400.07 and 357,394.60 is: 493,197.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,749.01 : 899,400.07 = 357,394.60 : x
  2. Step 2: Convert to fraction form
    651,749.01/899,400.07 = 357,394.60/x
  3. Step 3: Cross multiply
    651,749.01x = 899,400.07 × 357,394.60
  4. Step 4: Simplify right side
    651,749.01x = 321,440,728,257.62
  5. Step 5: Solve for x
    x = 321,440,728,257.62/651,749.01
  6. Step 6: Final answer
    x = 493,197.11

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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.