Home / 879,250.80-1,319,313.60-346,789.20

Finding the Fourth Proportional to 879,250.80, 1,319,313.60 and 346,789.20

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Solution

The fourth proportional to 879,250.80, 1,319,313.60 and 346,789.20 is: 520,356.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,250.80 : 1,319,313.60 = 346,789.20 : x
  2. Step 2: Convert to fraction form
    879,250.80/1,319,313.60 = 346,789.20/x
  3. Step 3: Cross multiply
    879,250.80x = 1,319,313.60 × 346,789.20
  4. Step 4: Simplify right side
    879,250.80x = 457,523,707,893.12
  5. Step 5: Solve for x
    x = 457,523,707,893.12/879,250.80
  6. Step 6: Final answer
    x = 520,356.32

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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.