Finding the Fourth Proportional to 715,502.48, 987,454.02 and 486,567.62
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Solution
The fourth proportional to 715,502.48, 987,454.02 and 486,567.62 is: 671,504.52
Step by Step Solution
- Step 1: Write the proportion equation
715,502.48 : 987,454.02 = 486,567.62 : x - Step 2: Convert to fraction form
715,502.48/987,454.02 = 486,567.62/x - Step 3: Cross multiply
715,502.48x = 987,454.02 × 486,567.62 - Step 4: Simplify right side
715,502.48x = 480,463,152,370.83 - Step 5: Solve for x
x = 480,463,152,370.83/715,502.48 - Step 6: Final answer
x = 671,504.52
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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.