Finding the Fourth Proportional to 993,607.35, 1,490,448.97 and 310,557.08
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Solution
The fourth proportional to 993,607.35, 1,490,448.97 and 310,557.08 is: 465,847.48
Step by Step Solution
- Step 1: Write the proportion equation
993,607.35 : 1,490,448.97 = 310,557.08 : x - Step 2: Convert to fraction form
993,607.35/1,490,448.97 = 310,557.08/x - Step 3: Cross multiply
993,607.35x = 1,490,448.97 × 310,557.08 - Step 4: Simplify right side
993,607.35x = 462,869,480,012.21 - Step 5: Solve for x
x = 462,869,480,012.21/993,607.35 - Step 6: Final answer
x = 465,847.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.