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Finding the Fourth Proportional to 855,504, 1,180,907.04 and 497,808

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Solution

The fourth proportional to 855,504, 1,180,907.04 and 497,808 is: 687,156.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,504 : 1,180,907.04 = 497,808 : x
  2. Step 2: Convert to fraction form
    855,504/1,180,907.04 = 497,808/x
  3. Step 3: Cross multiply
    855,504x = 1,180,907.04 × 497,808
  4. Step 4: Simplify right side
    855,504x = 587,864,971,768.32
  5. Step 5: Solve for x
    x = 587,864,971,768.32/855,504
  6. Step 6: Final answer
    x = 687,156.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.