Home / 904,418.45-1,248,112.09-496,557.89

Finding the Fourth Proportional to 904,418.45, 1,248,112.09 and 496,557.89

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Solution

The fourth proportional to 904,418.45, 1,248,112.09 and 496,557.89 is: 685,257.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,418.45 : 1,248,112.09 = 496,557.89 : x
  2. Step 2: Convert to fraction form
    904,418.45/1,248,112.09 = 496,557.89/x
  3. Step 3: Cross multiply
    904,418.45x = 1,248,112.09 × 496,557.89
  4. Step 4: Simplify right side
    904,418.45x = 619,759,911,195.01
  5. Step 5: Solve for x
    x = 619,759,911,195.01/904,418.45
  6. Step 6: Final answer
    x = 685,257.92

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Double scale
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1.5x scale

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.