Home / 886,897.58-1,329,504.72-287,437.50

Finding the Fourth Proportional to 886,897.58, 1,329,504.72 and 287,437.50

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Solution

The fourth proportional to 886,897.58, 1,329,504.72 and 287,437.50 is: 430,883.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,897.58 : 1,329,504.72 = 287,437.50 : x
  2. Step 2: Convert to fraction form
    886,897.58/1,329,504.72 = 287,437.50/x
  3. Step 3: Cross multiply
    886,897.58x = 1,329,504.72 × 287,437.50
  4. Step 4: Simplify right side
    886,897.58x = 382,149,512,955
  5. Step 5: Solve for x
    x = 382,149,512,955/886,897.58
  6. Step 6: Final answer
    x = 430,883.48

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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.