Finding the Fourth Proportional to 703,867.68, 971,331.64 and 381,569.50
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Solution
The fourth proportional to 703,867.68, 971,331.64 and 381,569.50 is: 526,562.79
Step by Step Solution
- Step 1: Write the proportion equation
703,867.68 : 971,331.64 = 381,569.50 : x - Step 2: Convert to fraction form
703,867.68/971,331.64 = 381,569.50/x - Step 3: Cross multiply
703,867.68x = 971,331.64 × 381,569.50 - Step 4: Simplify right side
703,867.68x = 370,630,528,208.98 - Step 5: Solve for x
x = 370,630,528,208.98/703,867.68 - Step 6: Final answer
x = 526,562.79
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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.