Finding the Fourth Proportional to 910,722.86, 1,256,872.74 and 502,865.18
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Solution
The fourth proportional to 910,722.86, 1,256,872.74 and 502,865.18 is: 693,995.47
Step by Step Solution
- Step 1: Write the proportion equation
910,722.86 : 1,256,872.74 = 502,865.18 : x - Step 2: Convert to fraction form
910,722.86/1,256,872.74 = 502,865.18/x - Step 3: Cross multiply
910,722.86x = 1,256,872.74 × 502,865.18 - Step 4: Simplify right side
910,722.86x = 632,037,536,637.19 - Step 5: Solve for x
x = 632,037,536,637.19/910,722.86 - Step 6: Final answer
x = 693,995.47
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.