Finding the Fourth Proportional to 879,844.80, 1,319,637.60 and 248,822.40
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Solution
The fourth proportional to 879,844.80, 1,319,637.60 and 248,822.40 is: 373,196.95
Step by Step Solution
- Step 1: Write the proportion equation
879,844.80 : 1,319,637.60 = 248,822.40 : x - Step 2: Convert to fraction form
879,844.80/1,319,637.60 = 248,822.40/x - Step 3: Cross multiply
879,844.80x = 1,319,637.60 × 248,822.40 - Step 4: Simplify right side
879,844.80x = 328,355,394,762.24 - Step 5: Solve for x
x = 328,355,394,762.24/879,844.80 - Step 6: Final answer
x = 373,196.95
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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.