Home / 832,004.11-1,248,009.78-263,387.98

Finding the Fourth Proportional to 832,004.11, 1,248,009.78 and 263,387.98

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Solution

The fourth proportional to 832,004.11, 1,248,009.78 and 263,387.98 is: 395,083.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,004.11 : 1,248,009.78 = 263,387.98 : x
  2. Step 2: Convert to fraction form
    832,004.11/1,248,009.78 = 263,387.98/x
  3. Step 3: Cross multiply
    832,004.11x = 1,248,009.78 × 263,387.98
  4. Step 4: Simplify right side
    832,004.11x = 328,710,768,734.40
  5. Step 5: Solve for x
    x = 328,710,768,734.40/832,004.11
  6. Step 6: Final answer
    x = 395,083.11

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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.