Finding the Fourth Proportional to 632,726.97, 873,135.21 and 346,259.13
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Solution
The fourth proportional to 632,726.97, 873,135.21 and 346,259.13 is: 477,822.27
Step by Step Solution
- Step 1: Write the proportion equation
632,726.97 : 873,135.21 = 346,259.13 : x - Step 2: Convert to fraction form
632,726.97/873,135.21 = 346,259.13/x - Step 3: Cross multiply
632,726.97x = 873,135.21 × 346,259.13 - Step 4: Simplify right side
632,726.97x = 302,331,038,186.97 - Step 5: Solve for x
x = 302,331,038,186.97/632,726.97 - Step 6: Final answer
x = 477,822.27
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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.