Finding the Fourth Proportional to 790,482.08, 1,090,867.88 and 427,905.84
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Solution
The fourth proportional to 790,482.08, 1,090,867.88 and 427,905.84 is: 590,511.47
Step by Step Solution
- Step 1: Write the proportion equation
790,482.08 : 1,090,867.88 = 427,905.84 : x - Step 2: Convert to fraction form
790,482.08/1,090,867.88 = 427,905.84/x - Step 3: Cross multiply
790,482.08x = 1,090,867.88 × 427,905.84 - Step 4: Simplify right side
790,482.08x = 466,788,736,520.42 - Step 5: Solve for x
x = 466,788,736,520.42/790,482.08 - Step 6: Final answer
x = 590,511.47
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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.