Finding the Fourth Proportional to 724,804.24, 1,000,276.20 and 402,514.32
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Solution
The fourth proportional to 724,804.24, 1,000,276.20 and 402,514.32 is: 555,495.50
Step by Step Solution
- Step 1: Write the proportion equation
724,804.24 : 1,000,276.20 = 402,514.32 : x - Step 2: Convert to fraction form
724,804.24/1,000,276.20 = 402,514.32/x - Step 3: Cross multiply
724,804.24x = 1,000,276.20 × 402,514.32 - Step 4: Simplify right side
724,804.24x = 402,625,494,455.18 - Step 5: Solve for x
x = 402,625,494,455.18/724,804.24 - Step 6: Final answer
x = 555,495.50
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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.