Finding the Fourth Proportional to 722,246.92, 996,688.44 and 399,950.08
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Solution
The fourth proportional to 722,246.92, 996,688.44 and 399,950.08 is: 551,924.29
Step by Step Solution
- Step 1: Write the proportion equation
722,246.92 : 996,688.44 = 399,950.08 : x - Step 2: Convert to fraction form
722,246.92/996,688.44 = 399,950.08/x - Step 3: Cross multiply
722,246.92x = 996,688.44 × 399,950.08 - Step 4: Simplify right side
722,246.92x = 398,625,621,313.08 - Step 5: Solve for x
x = 398,625,621,313.08/722,246.92 - Step 6: Final answer
x = 551,924.29
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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.