Home / 698,067.95-963,422.84-426,077.64

Finding the Fourth Proportional to 698,067.95, 963,422.84 and 426,077.64

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Solution

The fourth proportional to 698,067.95, 963,422.84 and 426,077.64 is: 588,041.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,067.95 : 963,422.84 = 426,077.64 : x
  2. Step 2: Convert to fraction form
    698,067.95/963,422.84 = 426,077.64/x
  3. Step 3: Cross multiply
    698,067.95x = 963,422.84 × 426,077.64
  4. Step 4: Simplify right side
    698,067.95x = 410,492,931,054.49
  5. Step 5: Solve for x
    x = 410,492,931,054.49/698,067.95
  6. Step 6: Final answer
    x = 588,041.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.