Finding the Fourth Proportional to 960,987.36, 1,326,061.08 and 531,198.12
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Solution
The fourth proportional to 960,987.36, 1,326,061.08 and 531,198.12 is: 732,997.31
Step by Step Solution
- Step 1: Write the proportion equation
960,987.36 : 1,326,061.08 = 531,198.12 : x - Step 2: Convert to fraction form
960,987.36/1,326,061.08 = 531,198.12/x - Step 3: Cross multiply
960,987.36x = 1,326,061.08 × 531,198.12 - Step 4: Simplify right side
960,987.36x = 704,401,152,701.17 - Step 5: Solve for x
x = 704,401,152,701.17/960,987.36 - Step 6: Final answer
x = 732,997.31
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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.