Home / 879,529.25-1,213,752.70-477,121.25

Finding the Fourth Proportional to 879,529.25, 1,213,752.70 and 477,121.25

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Solution

The fourth proportional to 879,529.25, 1,213,752.70 and 477,121.25 is: 658,428.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,529.25 : 1,213,752.70 = 477,121.25 : x
  2. Step 2: Convert to fraction form
    879,529.25/1,213,752.70 = 477,121.25/x
  3. Step 3: Cross multiply
    879,529.25x = 1,213,752.70 × 477,121.25
  4. Step 4: Simplify right side
    879,529.25x = 579,107,209,045.66
  5. Step 5: Solve for x
    x = 579,107,209,045.66/879,529.25
  6. Step 6: Final answer
    x = 658,428.59

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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.