Finding the Fourth Proportional to 831,169.49, 1,146,987.89 and 468,588.12
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Solution
The fourth proportional to 831,169.49, 1,146,987.89 and 468,588.12 is: 646,636.95
Step by Step Solution
- Step 1: Write the proportion equation
831,169.49 : 1,146,987.89 = 468,588.12 : x - Step 2: Convert to fraction form
831,169.49/1,146,987.89 = 468,588.12/x - Step 3: Cross multiply
831,169.49x = 1,146,987.89 × 468,588.12 - Step 4: Simplify right side
831,169.49x = 537,464,896,694.93 - Step 5: Solve for x
x = 537,464,896,694.93/831,169.49 - Step 6: Final answer
x = 646,636.95
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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.