Finding the Fourth Proportional to 692,543.84, 955,726.64 and 434,431.68
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Solution
The fourth proportional to 692,543.84, 955,726.64 and 434,431.68 is: 599,525.85
Step by Step Solution
- Step 1: Write the proportion equation
692,543.84 : 955,726.64 = 434,431.68 : x - Step 2: Convert to fraction form
692,543.84/955,726.64 = 434,431.68/x - Step 3: Cross multiply
692,543.84x = 955,726.64 × 434,431.68 - Step 4: Simplify right side
692,543.84x = 415,197,930,840.60 - Step 5: Solve for x
x = 415,197,930,840.60/692,543.84 - Step 6: Final answer
x = 599,525.85
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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.