Finding the Fourth Proportional to 1,011,605.42, 1,395,998.84 and 552,710.09
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Solution
The fourth proportional to 1,011,605.42, 1,395,998.84 and 552,710.09 is: 762,730.83
Step by Step Solution
- Step 1: Write the proportion equation
1,011,605.42 : 1,395,998.84 = 552,710.09 : x - Step 2: Convert to fraction form
1,011,605.42/1,395,998.84 = 552,710.09/x - Step 3: Cross multiply
1,011,605.42x = 1,395,998.84 × 552,710.09 - Step 4: Simplify right side
1,011,605.42x = 771,582,634,752.75 - Step 5: Solve for x
x = 771,582,634,752.75/1,011,605.42 - Step 6: Final answer
x = 762,730.83
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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.