Finding the Fourth Proportional to 514,818.68, 710,449.98 and 313,614.68
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Solution
The fourth proportional to 514,818.68, 710,449.98 and 313,614.68 is: 432,788.38
Step by Step Solution
- Step 1: Write the proportion equation
514,818.68 : 710,449.98 = 313,614.68 : x - Step 2: Convert to fraction form
514,818.68/710,449.98 = 313,614.68/x - Step 3: Cross multiply
514,818.68x = 710,449.98 × 313,614.68 - Step 4: Simplify right side
514,818.68x = 222,807,543,133.71 - Step 5: Solve for x
x = 222,807,543,133.71/514,818.68 - Step 6: Final answer
x = 432,788.38
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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.