Home / 511,835.18-706,559.03-330,635.45

Finding the Fourth Proportional to 511,835.18, 706,559.03 and 330,635.45

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Solution

The fourth proportional to 511,835.18, 706,559.03 and 330,635.45 is: 456,423.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,835.18 : 706,559.03 = 330,635.45 : x
  2. Step 2: Convert to fraction form
    511,835.18/706,559.03 = 330,635.45/x
  3. Step 3: Cross multiply
    511,835.18x = 706,559.03 × 330,635.45
  4. Step 4: Simplify right side
    511,835.18x = 233,613,457,649.64
  5. Step 5: Solve for x
    x = 233,613,457,649.64/511,835.18
  6. Step 6: Final answer
    x = 456,423.22

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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.