Home / 891,915.88-1,230,844.71-484,017.72

Finding the Fourth Proportional to 891,915.88, 1,230,844.71 and 484,017.72

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Solution

The fourth proportional to 891,915.88, 1,230,844.71 and 484,017.72 is: 667,944.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,915.88 : 1,230,844.71 = 484,017.72 : x
  2. Step 2: Convert to fraction form
    891,915.88/1,230,844.71 = 484,017.72/x
  3. Step 3: Cross multiply
    891,915.88x = 1,230,844.71 × 484,017.72
  4. Step 4: Simplify right side
    891,915.88x = 595,750,652,075.33
  5. Step 5: Solve for x
    x = 595,750,652,075.33/891,915.88
  6. Step 6: Final answer
    x = 667,944.89

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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.