Finding the Fourth Proportional to 692,733.18, 955,921.42 and 402,212.10
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Solution
The fourth proportional to 692,733.18, 955,921.42 and 402,212.10 is: 555,023.45
Step by Step Solution
- Step 1: Write the proportion equation
692,733.18 : 955,921.42 = 402,212.10 : x - Step 2: Convert to fraction form
692,733.18/955,921.42 = 402,212.10/x - Step 3: Cross multiply
692,733.18x = 955,921.42 × 402,212.10 - Step 4: Simplify right side
692,733.18x = 384,483,161,773.18 - Step 5: Solve for x
x = 384,483,161,773.18/692,733.18 - Step 6: Final answer
x = 555,023.45
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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.