Home / 879,426.80-1,319,577.60-346,965.20

Finding the Fourth Proportional to 879,426.80, 1,319,577.60 and 346,965.20

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Solution

The fourth proportional to 879,426.80, 1,319,577.60 and 346,965.20 is: 520,620.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,426.80 : 1,319,577.60 = 346,965.20 : x
  2. Step 2: Convert to fraction form
    879,426.80/1,319,577.60 = 346,965.20/x
  3. Step 3: Cross multiply
    879,426.80x = 1,319,577.60 × 346,965.20
  4. Step 4: Simplify right side
    879,426.80x = 457,847,505,899.52
  5. Step 5: Solve for x
    x = 457,847,505,899.52/879,426.80
  6. Step 6: Final answer
    x = 520,620.37

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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.