Home / 884,530.80-1,326,140.10-378,677.70

Finding the Fourth Proportional to 884,530.80, 1,326,140.10 and 378,677.70

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Solution

The fourth proportional to 884,530.80, 1,326,140.10 and 378,677.70 is: 567,735.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,530.80 : 1,326,140.10 = 378,677.70 : x
  2. Step 2: Convert to fraction form
    884,530.80/1,326,140.10 = 378,677.70/x
  3. Step 3: Cross multiply
    884,530.80x = 1,326,140.10 × 378,677.70
  4. Step 4: Simplify right side
    884,530.80x = 502,179,682,945.77
  5. Step 5: Solve for x
    x = 502,179,682,945.77/884,530.80
  6. Step 6: Final answer
    x = 567,735.67

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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.