Finding the Fourth Proportional to 990,924.66, 1,367,430.12 and 561,207.93
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Solution
The fourth proportional to 990,924.66, 1,367,430.12 and 561,207.93 is: 774,440.94
Step by Step Solution
- Step 1: Write the proportion equation
990,924.66 : 1,367,430.12 = 561,207.93 : x - Step 2: Convert to fraction form
990,924.66/1,367,430.12 = 561,207.93/x - Step 3: Cross multiply
990,924.66x = 1,367,430.12 × 561,207.93 - Step 4: Simplify right side
990,924.66x = 767,412,627,064.85 - Step 5: Solve for x
x = 767,412,627,064.85/990,924.66 - Step 6: Final answer
x = 774,440.94
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.