Finding the Fourth Proportional to 891,920.88, 1,230,768.36 and 529,282.08
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Solution
The fourth proportional to 891,920.88, 1,230,768.36 and 529,282.08 is: 730,360.34
Step by Step Solution
- Step 1: Write the proportion equation
891,920.88 : 1,230,768.36 = 529,282.08 : x - Step 2: Convert to fraction form
891,920.88/1,230,768.36 = 529,282.08/x - Step 3: Cross multiply
891,920.88x = 1,230,768.36 × 529,282.08 - Step 4: Simplify right side
891,920.88x = 651,423,637,578.99 - Step 5: Solve for x
x = 651,423,637,578.99/891,920.88 - Step 6: Final answer
x = 730,360.34
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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.