Finding the Fourth Proportional to 632,262.24, 872,509.68 and 345,781.44
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Solution
The fourth proportional to 632,262.24, 872,509.68 and 345,781.44 is: 477,171.71
Step by Step Solution
- Step 1: Write the proportion equation
632,262.24 : 872,509.68 = 345,781.44 : x - Step 2: Convert to fraction form
632,262.24/872,509.68 = 345,781.44/x - Step 3: Cross multiply
632,262.24x = 872,509.68 × 345,781.44 - Step 4: Simplify right side
632,262.24x = 301,697,653,564.34 - Step 5: Solve for x
x = 301,697,653,564.34/632,262.24 - Step 6: Final answer
x = 477,171.71
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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.