Finding the Fourth Proportional to 657,698.51, 908,495.34 and 529,121.26
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Solution
The fourth proportional to 657,698.51, 908,495.34 and 529,121.26 is: 730,888.38
Step by Step Solution
- Step 1: Write the proportion equation
657,698.51 : 908,495.34 = 529,121.26 : x - Step 2: Convert to fraction form
657,698.51/908,495.34 = 529,121.26/x - Step 3: Cross multiply
657,698.51x = 908,495.34 × 529,121.26 - Step 4: Simplify right side
657,698.51x = 480,704,199,004.93 - Step 5: Solve for x
x = 480,704,199,004.93/657,698.51 - Step 6: Final answer
x = 730,888.38
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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.