Finding the Fourth Proportional to 943,491.96, 1,301,815.80 and 561,444.12
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Solution
The fourth proportional to 943,491.96, 1,301,815.80 and 561,444.12 is: 774,672.02
Step by Step Solution
- Step 1: Write the proportion equation
943,491.96 : 1,301,815.80 = 561,444.12 : x - Step 2: Convert to fraction form
943,491.96/1,301,815.80 = 561,444.12/x - Step 3: Cross multiply
943,491.96x = 1,301,815.80 × 561,444.12 - Step 4: Simplify right side
943,491.96x = 730,896,826,233.10 - Step 5: Solve for x
x = 730,896,826,233.10/943,491.96 - Step 6: Final answer
x = 774,672.02
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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.