Finding the Fourth Proportional to 692,853.99, 955,929.28 and 402,409.46
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Solution
The fourth proportional to 692,853.99, 955,929.28 and 402,409.46 is: 555,203.54
Step by Step Solution
- Step 1: Write the proportion equation
692,853.99 : 955,929.28 = 402,409.46 : x - Step 2: Convert to fraction form
692,853.99/955,929.28 = 402,409.46/x - Step 3: Cross multiply
692,853.99x = 955,929.28 × 402,409.46 - Step 4: Simplify right side
692,853.99x = 384,674,985,362.99 - Step 5: Solve for x
x = 384,674,985,362.99/692,853.99 - Step 6: Final answer
x = 555,203.54
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1.5x scale
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.