Home / 701,309.80-1,051,964.70-402,711.40

Finding the Fourth Proportional to 701,309.80, 1,051,964.70 and 402,711.40

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Solution

The fourth proportional to 701,309.80, 1,051,964.70 and 402,711.40 is: 604,067.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,309.80 : 1,051,964.70 = 402,711.40 : x
  2. Step 2: Convert to fraction form
    701,309.80/1,051,964.70 = 402,711.40/x
  3. Step 3: Cross multiply
    701,309.80x = 1,051,964.70 × 402,711.40
  4. Step 4: Simplify right side
    701,309.80x = 423,638,177,087.58
  5. Step 5: Solve for x
    x = 423,638,177,087.58/701,309.80
  6. Step 6: Final answer
    x = 604,067.10

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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.