Home / 879,277.20-1,319,061.60-346,815.60

Finding the Fourth Proportional to 879,277.20, 1,319,061.60 and 346,815.60

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Solution

The fourth proportional to 879,277.20, 1,319,061.60 and 346,815.60 is: 520,280.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,277.20 : 1,319,061.60 = 346,815.60 : x
  2. Step 2: Convert to fraction form
    879,277.20/1,319,061.60 = 346,815.60/x
  3. Step 3: Cross multiply
    879,277.20x = 1,319,061.60 × 346,815.60
  4. Step 4: Simplify right side
    879,277.20x = 457,471,140,240.96
  5. Step 5: Solve for x
    x = 457,471,140,240.96/879,277.20
  6. Step 6: Final answer
    x = 520,280.91

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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.