Home / 807,386.14-1,211,073.13-208,296.37

Finding the Fourth Proportional to 807,386.14, 1,211,073.13 and 208,296.37

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Solution

The fourth proportional to 807,386.14, 1,211,073.13 and 208,296.37 is: 312,442.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,386.14 : 1,211,073.13 = 208,296.37 : x
  2. Step 2: Convert to fraction form
    807,386.14/1,211,073.13 = 208,296.37/x
  3. Step 3: Cross multiply
    807,386.14x = 1,211,073.13 × 208,296.37
  4. Step 4: Simplify right side
    807,386.14x = 252,262,129,686.69
  5. Step 5: Solve for x
    x = 252,262,129,686.69/807,386.14
  6. Step 6: Final answer
    x = 312,442.98

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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.