Home / 963,189.71-1,329,198.41-555,289.57

Finding the Fourth Proportional to 963,189.71, 1,329,198.41 and 555,289.57

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Solution

The fourth proportional to 963,189.71, 1,329,198.41 and 555,289.57 is: 766,297.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,189.71 : 1,329,198.41 = 555,289.57 : x
  2. Step 2: Convert to fraction form
    963,189.71/1,329,198.41 = 555,289.57/x
  3. Step 3: Cross multiply
    963,189.71x = 1,329,198.41 × 555,289.57
  4. Step 4: Simplify right side
    963,189.71x = 738,090,013,533.58
  5. Step 5: Solve for x
    x = 738,090,013,533.58/963,189.71
  6. Step 6: Final answer
    x = 766,297.66

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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.