Finding the Fourth Proportional to 692,226.88, 955,248.18 and 434,242.72
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Solution
The fourth proportional to 692,226.88, 955,248.18 and 434,242.72 is: 599,239.32
Step by Step Solution
- Step 1: Write the proportion equation
692,226.88 : 955,248.18 = 434,242.72 : x - Step 2: Convert to fraction form
692,226.88/955,248.18 = 434,242.72/x - Step 3: Cross multiply
692,226.88x = 955,248.18 × 434,242.72 - Step 4: Simplify right side
692,226.88x = 414,809,565,570.13 - Step 5: Solve for x
x = 414,809,565,570.13/692,226.88 - Step 6: Final answer
x = 599,239.32
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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.