Finding the Fourth Proportional to 893,122.12, 1,231,663.98 and 586,657.72
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Solution
The fourth proportional to 893,122.12, 1,231,663.98 and 586,657.72 is: 809,032.90
Step by Step Solution
- Step 1: Write the proportion equation
893,122.12 : 1,231,663.98 = 586,657.72 : x - Step 2: Convert to fraction form
893,122.12/1,231,663.98 = 586,657.72/x - Step 3: Cross multiply
893,122.12x = 1,231,663.98 × 586,657.72 - Step 4: Simplify right side
893,122.12x = 722,565,182,312.93 - Step 5: Solve for x
x = 722,565,182,312.93/893,122.12 - Step 6: Final answer
x = 809,032.90
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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.