Finding the Fourth Proportional to 692,497.60, 955,642.74 and 386,556.28
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Solution
The fourth proportional to 692,497.60, 955,642.74 and 386,556.28 is: 533,445.46
Step by Step Solution
- Step 1: Write the proportion equation
692,497.60 : 955,642.74 = 386,556.28 : x - Step 2: Convert to fraction form
692,497.60/955,642.74 = 386,556.28/x - Step 3: Cross multiply
692,497.60x = 955,642.74 × 386,556.28 - Step 4: Simplify right side
692,497.60x = 369,409,702,583.41 - Step 5: Solve for x
x = 369,409,702,583.41/692,497.60 - Step 6: Final answer
x = 533,445.46
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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.