Home / 904,014.72-1,248,004.80-636,935.04

Finding the Fourth Proportional to 904,014.72, 1,248,004.80 and 636,935.04

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Solution

The fourth proportional to 904,014.72, 1,248,004.80 and 636,935.04 is: 879,297.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,014.72 : 1,248,004.80 = 636,935.04 : x
  2. Step 2: Convert to fraction form
    904,014.72/1,248,004.80 = 636,935.04/x
  3. Step 3: Cross multiply
    904,014.72x = 1,248,004.80 × 636,935.04
  4. Step 4: Simplify right side
    904,014.72x = 794,897,987,208.19
  5. Step 5: Solve for x
    x = 794,897,987,208.19/904,014.72
  6. Step 6: Final answer
    x = 879,297.61

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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.