Finding the Fourth Proportional to 927,587.08, 1,280,205.48 and 519,716.62
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Solution
The fourth proportional to 927,587.08, 1,280,205.48 and 519,716.62 is: 717,284.75
Step by Step Solution
- Step 1: Write the proportion equation
927,587.08 : 1,280,205.48 = 519,716.62 : x - Step 2: Convert to fraction form
927,587.08/1,280,205.48 = 519,716.62/x - Step 3: Cross multiply
927,587.08x = 1,280,205.48 × 519,716.62 - Step 4: Simplify right side
927,587.08x = 665,344,064,971.08 - Step 5: Solve for x
x = 665,344,064,971.08/927,587.08 - Step 6: Final answer
x = 717,284.75
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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.