Home / 873,822.30-1,310,780.16-274,830.16

Finding the Fourth Proportional to 873,822.30, 1,310,780.16 and 274,830.16

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Solution

The fourth proportional to 873,822.30, 1,310,780.16 and 274,830.16 is: 412,259.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,822.30 : 1,310,780.16 = 274,830.16 : x
  2. Step 2: Convert to fraction form
    873,822.30/1,310,780.16 = 274,830.16/x
  3. Step 3: Cross multiply
    873,822.30x = 1,310,780.16 × 274,830.16
  4. Step 4: Simplify right side
    873,822.30x = 360,241,921,097.63
  5. Step 5: Solve for x
    x = 360,241,921,097.63/873,822.30
  6. Step 6: Final answer
    x = 412,259.93

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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.