Home / 651,748.01-899,398.69-357,393.60

Finding the Fourth Proportional to 651,748.01, 899,398.69 and 357,393.60

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Solution

The fourth proportional to 651,748.01, 899,398.69 and 357,393.60 is: 493,195.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,748.01 : 899,398.69 = 357,393.60 : x
  2. Step 2: Convert to fraction form
    651,748.01/899,398.69 = 357,393.60/x
  3. Step 3: Cross multiply
    651,748.01x = 899,398.69 × 357,393.60
  4. Step 4: Simplify right side
    651,748.01x = 321,439,334,760.90
  5. Step 5: Solve for x
    x = 321,439,334,760.90/651,748.01
  6. Step 6: Final answer
    x = 493,195.73

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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.