Home / 879,310.40-1,319,743.20-753,339.20

Finding the Fourth Proportional to 879,310.40, 1,319,743.20 and 753,339.20

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Solution

The fourth proportional to 879,310.40, 1,319,743.20 and 753,339.20 is: 1,130,675.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,310.40 : 1,319,743.20 = 753,339.20 : x
  2. Step 2: Convert to fraction form
    879,310.40/1,319,743.20 = 753,339.20/x
  3. Step 3: Cross multiply
    879,310.40x = 1,319,743.20 × 753,339.20
  4. Step 4: Simplify right side
    879,310.40x = 994,214,286,493.44
  5. Step 5: Solve for x
    x = 994,214,286,493.44/879,310.40
  6. Step 6: Final answer
    x = 1,130,675.00

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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.