Home / 879,279.20-1,319,064.60-346,817.60

Finding the Fourth Proportional to 879,279.20, 1,319,064.60 and 346,817.60

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Solution

The fourth proportional to 879,279.20, 1,319,064.60 and 346,817.60 is: 520,283.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,279.20 : 1,319,064.60 = 346,817.60 : x
  2. Step 2: Convert to fraction form
    879,279.20/1,319,064.60 = 346,817.60/x
  3. Step 3: Cross multiply
    879,279.20x = 1,319,064.60 × 346,817.60
  4. Step 4: Simplify right side
    879,279.20x = 457,474,818,816.96
  5. Step 5: Solve for x
    x = 457,474,818,816.96/879,279.20
  6. Step 6: Final answer
    x = 520,283.91

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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.