Finding the Fourth Proportional to 1,014,312.58, 1,399,768.57 and 555,419.84
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Solution
The fourth proportional to 1,014,312.58, 1,399,768.57 and 555,419.84 is: 766,488.80
Step by Step Solution
- Step 1: Write the proportion equation
1,014,312.58 : 1,399,768.57 = 555,419.84 : x - Step 2: Convert to fraction form
1,014,312.58/1,399,768.57 = 555,419.84/x - Step 3: Cross multiply
1,014,312.58x = 1,399,768.57 × 555,419.84 - Step 4: Simplify right side
1,014,312.58x = 777,459,235,186.43 - Step 5: Solve for x
x = 777,459,235,186.43/1,014,312.58 - Step 6: Final answer
x = 766,488.80
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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.