Finding the Fourth Proportional to 988,056.68, 1,363,519.11 and 535,347.68
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Solution
The fourth proportional to 988,056.68, 1,363,519.11 and 535,347.68 is: 738,780.28
Step by Step Solution
- Step 1: Write the proportion equation
988,056.68 : 1,363,519.11 = 535,347.68 : x - Step 2: Convert to fraction form
988,056.68/1,363,519.11 = 535,347.68/x - Step 3: Cross multiply
988,056.68x = 1,363,519.11 × 535,347.68 - Step 4: Simplify right side
988,056.68x = 729,956,785,356.57 - Step 5: Solve for x
x = 729,956,785,356.57/988,056.68 - Step 6: Final answer
x = 738,780.28
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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.