Home / 904,016.72-1,248,007.56-636,937.04

Finding the Fourth Proportional to 904,016.72, 1,248,007.56 and 636,937.04

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Solution

The fourth proportional to 904,016.72, 1,248,007.56 and 636,937.04 is: 879,300.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,016.72 : 1,248,007.56 = 636,937.04 : x
  2. Step 2: Convert to fraction form
    904,016.72/1,248,007.56 = 636,937.04/x
  3. Step 3: Cross multiply
    904,016.72x = 1,248,007.56 × 636,937.04
  4. Step 4: Simplify right side
    904,016.72x = 794,902,241,164.02
  5. Step 5: Solve for x
    x = 794,902,241,164.02/904,016.72
  6. Step 6: Final answer
    x = 879,300.38

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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.