Finding the Fourth Proportional to 831,467.35, 1,247,594.69 and 476,781.31
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Solution
The fourth proportional to 831,467.35, 1,247,594.69 and 476,781.31 is: 715,397.70
Step by Step Solution
- Step 1: Write the proportion equation
831,467.35 : 1,247,594.69 = 476,781.31 : x - Step 2: Convert to fraction form
831,467.35/1,247,594.69 = 476,781.31/x - Step 3: Cross multiply
831,467.35x = 1,247,594.69 × 476,781.31 - Step 4: Simplify right side
831,467.35x = 594,829,830,647.24 - Step 5: Solve for x
x = 594,829,830,647.24/831,467.35 - Step 6: Final answer
x = 715,397.70
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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.