Finding the Fourth Proportional to 851,661.03, 1,175,293.29 and 464,477.09
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Solution
The fourth proportional to 851,661.03, 1,175,293.29 and 464,477.09 is: 640,978.96
Step by Step Solution
- Step 1: Write the proportion equation
851,661.03 : 1,175,293.29 = 464,477.09 : x - Step 2: Convert to fraction form
851,661.03/1,175,293.29 = 464,477.09/x - Step 3: Cross multiply
851,661.03x = 1,175,293.29 × 464,477.09 - Step 4: Simplify right side
851,661.03x = 545,896,803,101.05 - Step 5: Solve for x
x = 545,896,803,101.05/851,661.03 - Step 6: Final answer
x = 640,978.96
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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.