Finding the Fourth Proportional to 692,743.63, 956,145.59 and 406,355.98
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Solution
The fourth proportional to 692,743.63, 956,145.59 and 406,355.98 is: 560,864.74
Step by Step Solution
- Step 1: Write the proportion equation
692,743.63 : 956,145.59 = 406,355.98 : x - Step 2: Convert to fraction form
692,743.63/956,145.59 = 406,355.98/x - Step 3: Cross multiply
692,743.63x = 956,145.59 × 406,355.98 - Step 4: Simplify right side
692,743.63x = 388,535,478,247.13 - Step 5: Solve for x
x = 388,535,478,247.13/692,743.63 - Step 6: Final answer
x = 560,864.74
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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.