Home / 507,819.36-760,897.89-308,200.89

Finding the Fourth Proportional to 507,819.36, 760,897.89 and 308,200.89

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Solution

The fourth proportional to 507,819.36, 760,897.89 and 308,200.89 is: 461,796.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,819.36 : 760,897.89 = 308,200.89 : x
  2. Step 2: Convert to fraction form
    507,819.36/760,897.89 = 308,200.89/x
  3. Step 3: Cross multiply
    507,819.36x = 760,897.89 × 308,200.89
  4. Step 4: Simplify right side
    507,819.36x = 234,509,406,897.12
  5. Step 5: Solve for x
    x = 234,509,406,897.12/507,819.36
  6. Step 6: Final answer
    x = 461,796.90

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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.