Home / 849,859.20-1,274,788.80-471,945.60

Finding the Fourth Proportional to 849,859.20, 1,274,788.80 and 471,945.60

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Solution

The fourth proportional to 849,859.20, 1,274,788.80 and 471,945.60 is: 707,918.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,859.20 : 1,274,788.80 = 471,945.60 : x
  2. Step 2: Convert to fraction form
    849,859.20/1,274,788.80 = 471,945.60/x
  3. Step 3: Cross multiply
    849,859.20x = 1,274,788.80 × 471,945.60
  4. Step 4: Simplify right side
    849,859.20x = 601,630,965,089.28
  5. Step 5: Solve for x
    x = 601,630,965,089.28/849,859.20
  6. Step 6: Final answer
    x = 707,918.40

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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.