Finding the Fourth Proportional to 920,474.80, 1,270,231.60 and 893,312.26
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Solution
The fourth proportional to 920,474.80, 1,270,231.60 and 893,312.26 is: 1,232,747.99
Step by Step Solution
- Step 1: Write the proportion equation
920,474.80 : 1,270,231.60 = 893,312.26 : x - Step 2: Convert to fraction form
920,474.80/1,270,231.60 = 893,312.26/x - Step 3: Cross multiply
920,474.80x = 1,270,231.60 × 893,312.26 - Step 4: Simplify right side
920,474.80x = 1,134,713,461,319.42 - Step 5: Solve for x
x = 1,134,713,461,319.42/920,474.80 - Step 6: Final answer
x = 1,232,747.99
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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.