Home / 719,222.58-1,079,048.50-213,800.40

Finding the Fourth Proportional to 719,222.58, 1,079,048.50 and 213,800.40

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Solution

The fourth proportional to 719,222.58, 1,079,048.50 and 213,800.40 is: 320,764.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,222.58 : 1,079,048.50 = 213,800.40 : x
  2. Step 2: Convert to fraction form
    719,222.58/1,079,048.50 = 213,800.40/x
  3. Step 3: Cross multiply
    719,222.58x = 1,079,048.50 × 213,800.40
  4. Step 4: Simplify right side
    719,222.58x = 230,701,000,919.40
  5. Step 5: Solve for x
    x = 230,701,000,919.40/719,222.58
  6. Step 6: Final answer
    x = 320,764.40

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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.