Finding the Fourth Proportional to 703,484.95, 970,434.84 and 427,927.05
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Solution
The fourth proportional to 703,484.95, 970,434.84 and 427,927.05 is: 590,311.59
Step by Step Solution
- Step 1: Write the proportion equation
703,484.95 : 970,434.84 = 427,927.05 : x - Step 2: Convert to fraction form
703,484.95/970,434.84 = 427,927.05/x - Step 3: Cross multiply
703,484.95x = 970,434.84 × 427,927.05 - Step 4: Simplify right side
703,484.95x = 415,275,318,298.42 - Step 5: Solve for x
x = 415,275,318,298.42/703,484.95 - Step 6: Final answer
x = 590,311.59
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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.