Finding the Fourth Proportional to 878,265.18, 1,211,868.18 and 510,823.62
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Solution
The fourth proportional to 878,265.18, 1,211,868.18 and 510,823.62 is: 704,856.47
Step by Step Solution
- Step 1: Write the proportion equation
878,265.18 : 1,211,868.18 = 510,823.62 : x - Step 2: Convert to fraction form
878,265.18/1,211,868.18 = 510,823.62/x - Step 3: Cross multiply
878,265.18x = 1,211,868.18 × 510,823.62 - Step 4: Simplify right side
878,265.18x = 619,050,890,670.41 - Step 5: Solve for x
x = 619,050,890,670.41/878,265.18 - Step 6: Final answer
x = 704,856.47
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1.5x scale
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.