Home / 706,028.40-1,059,567.60-285,307.92

Finding the Fourth Proportional to 706,028.40, 1,059,567.60 and 285,307.92

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Solution

The fourth proportional to 706,028.40, 1,059,567.60 and 285,307.92 is: 428,174.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,028.40 : 1,059,567.60 = 285,307.92 : x
  2. Step 2: Convert to fraction form
    706,028.40/1,059,567.60 = 285,307.92/x
  3. Step 3: Cross multiply
    706,028.40x = 1,059,567.60 × 285,307.92
  4. Step 4: Simplify right side
    706,028.40x = 302,303,028,055.39
  5. Step 5: Solve for x
    x = 302,303,028,055.39/706,028.40
  6. Step 6: Final answer
    x = 428,174.03

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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.