Finding the Fourth Proportional to 900,531.47, 1,242,800.82 and 513,356.08
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Solution
The fourth proportional to 900,531.47, 1,242,800.82 and 513,356.08 is: 708,469.80
Step by Step Solution
- Step 1: Write the proportion equation
900,531.47 : 1,242,800.82 = 513,356.08 : x - Step 2: Convert to fraction form
900,531.47/1,242,800.82 = 513,356.08/x - Step 3: Cross multiply
900,531.47x = 1,242,800.82 × 513,356.08 - Step 4: Simplify right side
900,531.47x = 637,999,356,399.24 - Step 5: Solve for x
x = 637,999,356,399.24/900,531.47 - Step 6: Final answer
x = 708,469.80
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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.