Home / 713,021.80-1,069,667.57-286,590.82

Finding the Fourth Proportional to 713,021.80, 1,069,667.57 and 286,590.82

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Solution

The fourth proportional to 713,021.80, 1,069,667.57 and 286,590.82 is: 429,940.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,021.80 : 1,069,667.57 = 286,590.82 : x
  2. Step 2: Convert to fraction form
    713,021.80/1,069,667.57 = 286,590.82/x
  3. Step 3: Cross multiply
    713,021.80x = 1,069,667.57 × 286,590.82
  4. Step 4: Simplify right side
    713,021.80x = 306,556,901,906.58
  5. Step 5: Solve for x
    x = 306,556,901,906.58/713,021.80
  6. Step 6: Final answer
    x = 429,940.44

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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.