Finding the Fourth Proportional to 988,125.72, 1,363,682.70 and 558,445.56
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Solution
The fourth proportional to 988,125.72, 1,363,682.70 and 558,445.56 is: 770,693.99
Step by Step Solution
- Step 1: Write the proportion equation
988,125.72 : 1,363,682.70 = 558,445.56 : x - Step 2: Convert to fraction form
988,125.72/1,363,682.70 = 558,445.56/x - Step 3: Cross multiply
988,125.72x = 1,363,682.70 × 558,445.56 - Step 4: Simplify right side
988,125.72x = 761,542,549,063.81 - Step 5: Solve for x
x = 761,542,549,063.81/988,125.72 - Step 6: Final answer
x = 770,693.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.