Home / 891,990.72-1,230,948.03-484,092.63

Finding the Fourth Proportional to 891,990.72, 1,230,948.03 and 484,092.63

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Solution

The fourth proportional to 891,990.72, 1,230,948.03 and 484,092.63 is: 668,048.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,990.72 : 1,230,948.03 = 484,092.63 : x
  2. Step 2: Convert to fraction form
    891,990.72/1,230,948.03 = 484,092.63/x
  3. Step 3: Cross multiply
    891,990.72x = 1,230,948.03 × 484,092.63
  4. Step 4: Simplify right side
    891,990.72x = 595,892,869,236.02
  5. Step 5: Solve for x
    x = 595,892,869,236.02/891,990.72
  6. Step 6: Final answer
    x = 668,048.28

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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.