Home / 879,924.75-1,214,296.20-477,516.75

Finding the Fourth Proportional to 879,924.75, 1,214,296.20 and 477,516.75

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Solution

The fourth proportional to 879,924.75, 1,214,296.20 and 477,516.75 is: 658,973.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,924.75 : 1,214,296.20 = 477,516.75 : x
  2. Step 2: Convert to fraction form
    879,924.75/1,214,296.20 = 477,516.75/x
  3. Step 3: Cross multiply
    879,924.75x = 1,214,296.20 × 477,516.75
  4. Step 4: Simplify right side
    879,924.75x = 579,846,774,961.35
  5. Step 5: Solve for x
    x = 579,846,774,961.35/879,924.75
  6. Step 6: Final answer
    x = 658,973.14

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1.5x scale

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.