Finding the Fourth Proportional to 463,703.95, 638,818.99 and 435,803.30
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Solution
The fourth proportional to 463,703.95, 638,818.99 and 435,803.30 is: 600,381.82
Step by Step Solution
- Step 1: Write the proportion equation
463,703.95 : 638,818.99 = 435,803.30 : x - Step 2: Convert to fraction form
463,703.95/638,818.99 = 435,803.30/x - Step 3: Cross multiply
463,703.95x = 638,818.99 × 435,803.30 - Step 4: Simplify right side
463,703.95x = 278,399,424,489.42 - Step 5: Solve for x
x = 278,399,424,489.42/463,703.95 - Step 6: Final answer
x = 600,381.82
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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.