Finding the Fourth Proportional to 665,852.04, 999,029.57 and 399,798.09
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Solution
The fourth proportional to 665,852.04, 999,029.57 and 399,798.09 is: 599,848.15
Step by Step Solution
- Step 1: Write the proportion equation
665,852.04 : 999,029.57 = 399,798.09 : x - Step 2: Convert to fraction form
665,852.04/999,029.57 = 399,798.09/x - Step 3: Cross multiply
665,852.04x = 999,029.57 × 399,798.09 - Step 4: Simplify right side
665,852.04x = 399,410,111,940.53 - Step 5: Solve for x
x = 399,410,111,940.53/665,852.04 - Step 6: Final answer
x = 599,848.15
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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.