Home / 649,888.91-975,312.21-308,333.58

Finding the Fourth Proportional to 649,888.91, 975,312.21 and 308,333.58

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Solution

The fourth proportional to 649,888.91, 975,312.21 and 308,333.58 is: 462,727.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,888.91 : 975,312.21 = 308,333.58 : x
  2. Step 2: Convert to fraction form
    649,888.91/975,312.21 = 308,333.58/x
  3. Step 3: Cross multiply
    649,888.91x = 975,312.21 × 308,333.58
  4. Step 4: Simplify right side
    649,888.91x = 300,721,505,327.01
  5. Step 5: Solve for x
    x = 300,721,505,327.01/649,888.91
  6. Step 6: Final answer
    x = 462,727.56

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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.