Finding the Fourth Proportional to 808,187.48, 1,115,051.40 and 468,587.96
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Solution
The fourth proportional to 808,187.48, 1,115,051.40 and 468,587.96 is: 646,507.99
Step by Step Solution
- Step 1: Write the proportion equation
808,187.48 : 1,115,051.40 = 468,587.96 : x - Step 2: Convert to fraction form
808,187.48/1,115,051.40 = 468,587.96/x - Step 3: Cross multiply
808,187.48x = 1,115,051.40 × 468,587.96 - Step 4: Simplify right side
808,187.48x = 522,499,660,821.14 - Step 5: Solve for x
x = 522,499,660,821.14/808,187.48 - Step 6: Final answer
x = 646,507.99
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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.