Finding the Fourth Proportional to 774,550.05, 1,068,994.58 and 557,476.53
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Solution
The fourth proportional to 774,550.05, 1,068,994.58 and 557,476.53 is: 769,400.75
Step by Step Solution
- Step 1: Write the proportion equation
774,550.05 : 1,068,994.58 = 557,476.53 : x - Step 2: Convert to fraction form
774,550.05/1,068,994.58 = 557,476.53/x - Step 3: Cross multiply
774,550.05x = 1,068,994.58 × 557,476.53 - Step 4: Simplify right side
774,550.05x = 595,939,386,259.83 - Step 5: Solve for x
x = 595,939,386,259.83/774,550.05 - Step 6: Final answer
x = 769,400.75
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1.5x scale
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.