Finding the Fourth Proportional to 845,869.61, 1,167,192.09 and 483,316.94
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Solution
The fourth proportional to 845,869.61, 1,167,192.09 and 483,316.94 is: 666,915.69
Step by Step Solution
- Step 1: Write the proportion equation
845,869.61 : 1,167,192.09 = 483,316.94 : x - Step 2: Convert to fraction form
845,869.61/1,167,192.09 = 483,316.94/x - Step 3: Cross multiply
845,869.61x = 1,167,192.09 × 483,316.94 - Step 4: Simplify right side
845,869.61x = 564,123,712,248.99 - Step 5: Solve for x
x = 564,123,712,248.99/845,869.61 - Step 6: Final answer
x = 666,915.69
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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.