Finding the Fourth Proportional to 654,345.99, 902,918.88 and 363,884.85
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Solution
The fourth proportional to 654,345.99, 902,918.88 and 363,884.85 is: 502,117.39
Step by Step Solution
- Step 1: Write the proportion equation
654,345.99 : 902,918.88 = 363,884.85 : x - Step 2: Convert to fraction form
654,345.99/902,918.88 = 363,884.85/x - Step 3: Cross multiply
654,345.99x = 902,918.88 × 363,884.85 - Step 4: Simplify right side
654,345.99x = 328,558,501,210.97 - Step 5: Solve for x
x = 328,558,501,210.97/654,345.99 - Step 6: Final answer
x = 502,117.39
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1.5x scale
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.