Home / 711,363.80-1,067,823.30-445,424.60

Finding the Fourth Proportional to 711,363.80, 1,067,823.30 and 445,424.60

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Solution

The fourth proportional to 711,363.80, 1,067,823.30 and 445,424.60 is: 668,623.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,363.80 : 1,067,823.30 = 445,424.60 : x
  2. Step 2: Convert to fraction form
    711,363.80/1,067,823.30 = 445,424.60/x
  3. Step 3: Cross multiply
    711,363.80x = 1,067,823.30 × 445,424.60
  4. Step 4: Simplify right side
    711,363.80x = 475,634,766,273.18
  5. Step 5: Solve for x
    x = 475,634,766,273.18/711,363.80
  6. Step 6: Final answer
    x = 668,623.80

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1.5x scale

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.