Finding the Fourth Proportional to 683,108.84, 942,686.58 and 396,699.32
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Solution
The fourth proportional to 683,108.84, 942,686.58 and 396,699.32 is: 547,442.96
Step by Step Solution
- Step 1: Write the proportion equation
683,108.84 : 942,686.58 = 396,699.32 : x - Step 2: Convert to fraction form
683,108.84/942,686.58 = 396,699.32/x - Step 3: Cross multiply
683,108.84x = 942,686.58 × 396,699.32 - Step 4: Simplify right side
683,108.84x = 373,963,125,259.13 - Step 5: Solve for x
x = 373,963,125,259.13/683,108.84 - Step 6: Final answer
x = 547,442.96
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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.