Home / 816,434.52-1,126,676.69-448,935.72

Finding the Fourth Proportional to 816,434.52, 1,126,676.69 and 448,935.72

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Solution

The fourth proportional to 816,434.52, 1,126,676.69 and 448,935.72 is: 619,529.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,434.52 : 1,126,676.69 = 448,935.72 : x
  2. Step 2: Convert to fraction form
    816,434.52/1,126,676.69 = 448,935.72/x
  3. Step 3: Cross multiply
    816,434.52x = 1,126,676.69 × 448,935.72
  4. Step 4: Simplify right side
    816,434.52x = 505,805,406,246.16
  5. Step 5: Solve for x
    x = 505,805,406,246.16/816,434.52
  6. Step 6: Final answer
    x = 619,529.67

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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.