Home / 879,464.80-1,319,634.60-347,003.20

Finding the Fourth Proportional to 879,464.80, 1,319,634.60 and 347,003.20

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Solution

The fourth proportional to 879,464.80, 1,319,634.60 and 347,003.20 is: 520,677.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,464.80 : 1,319,634.60 = 347,003.20 : x
  2. Step 2: Convert to fraction form
    879,464.80/1,319,634.60 = 347,003.20/x
  3. Step 3: Cross multiply
    879,464.80x = 1,319,634.60 × 347,003.20
  4. Step 4: Simplify right side
    879,464.80x = 457,917,429,030.72
  5. Step 5: Solve for x
    x = 457,917,429,030.72/879,464.80
  6. Step 6: Final answer
    x = 520,677.38

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1.5x scale

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.