Home / 904,897.30-1,357,344.72-230,978.68

Finding the Fourth Proportional to 904,897.30, 1,357,344.72 and 230,978.68

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Solution

The fourth proportional to 904,897.30, 1,357,344.72 and 230,978.68 is: 346,467.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,897.30 : 1,357,344.72 = 230,978.68 : x
  2. Step 2: Convert to fraction form
    904,897.30/1,357,344.72 = 230,978.68/x
  3. Step 3: Cross multiply
    904,897.30x = 1,357,344.72 × 230,978.68
  4. Step 4: Simplify right side
    904,897.30x = 313,517,691,730.57
  5. Step 5: Solve for x
    x = 313,517,691,730.57/904,897.30
  6. Step 6: Final answer
    x = 346,467.71

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Double scale
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Similar ratio
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1.5x scale

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.