Home / 879,404.20-1,319,106.30-574,973.80

Finding the Fourth Proportional to 879,404.20, 1,319,106.30 and 574,973.80

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Solution

The fourth proportional to 879,404.20, 1,319,106.30 and 574,973.80 is: 862,460.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,404.20 : 1,319,106.30 = 574,973.80 : x
  2. Step 2: Convert to fraction form
    879,404.20/1,319,106.30 = 574,973.80/x
  3. Step 3: Cross multiply
    879,404.20x = 1,319,106.30 × 574,973.80
  4. Step 4: Simplify right side
    879,404.20x = 758,451,561,914.94
  5. Step 5: Solve for x
    x = 758,451,561,914.94/879,404.20
  6. Step 6: Final answer
    x = 862,460.70

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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.