Finding the Fourth Proportional to 611,513.68, 843,860.64 and 339,598.84
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Solution
The fourth proportional to 611,513.68, 843,860.64 and 339,598.84 is: 468,630.72
Step by Step Solution
- Step 1: Write the proportion equation
611,513.68 : 843,860.64 = 339,598.84 : x - Step 2: Convert to fraction form
611,513.68/843,860.64 = 339,598.84/x - Step 3: Cross multiply
611,513.68x = 843,860.64 × 339,598.84 - Step 4: Simplify right side
611,513.68x = 286,574,094,465.66 - Step 5: Solve for x
x = 286,574,094,465.66/611,513.68 - Step 6: Final answer
x = 468,630.72
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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.