Finding the Fourth Proportional to 902,829.12, 1,246,301.04 and 631,960.80
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Solution
The fourth proportional to 902,829.12, 1,246,301.04 and 631,960.80 is: 872,383.69
Step by Step Solution
- Step 1: Write the proportion equation
902,829.12 : 1,246,301.04 = 631,960.80 : x - Step 2: Convert to fraction form
902,829.12/1,246,301.04 = 631,960.80/x - Step 3: Cross multiply
902,829.12x = 1,246,301.04 × 631,960.80 - Step 4: Simplify right side
902,829.12x = 787,613,402,279.23 - Step 5: Solve for x
x = 787,613,402,279.23/902,829.12 - Step 6: Final answer
x = 872,383.69
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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.