Finding the Fourth Proportional to 785,616.98, 1,084,120.93 and 480,204.73
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Solution
The fourth proportional to 785,616.98, 1,084,120.93 and 480,204.73 is: 662,663.88
Step by Step Solution
- Step 1: Write the proportion equation
785,616.98 : 1,084,120.93 = 480,204.73 : x - Step 2: Convert to fraction form
785,616.98/1,084,120.93 = 480,204.73/x - Step 3: Cross multiply
785,616.98x = 1,084,120.93 × 480,204.73 - Step 4: Simplify right side
785,616.98x = 520,599,994,567.19 - Step 5: Solve for x
x = 520,599,994,567.19/785,616.98 - Step 6: Final answer
x = 662,663.88
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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.