Finding the Fourth Proportional to 855,468.18, 1,180,531.80 and 473,486.76
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Solution
The fourth proportional to 855,468.18, 1,180,531.80 and 473,486.76 is: 653,403.82
Step by Step Solution
- Step 1: Write the proportion equation
855,468.18 : 1,180,531.80 = 473,486.76 : x - Step 2: Convert to fraction form
855,468.18/1,180,531.80 = 473,486.76/x - Step 3: Cross multiply
855,468.18x = 1,180,531.80 × 473,486.76 - Step 4: Simplify right side
855,468.18x = 558,966,177,058.97 - Step 5: Solve for x
x = 558,966,177,058.97/855,468.18 - Step 6: Final answer
x = 653,403.82
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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.