Finding the Fourth Proportional to 456,454.14, 681,336.93 and 402,586.71
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Solution
The fourth proportional to 456,454.14, 681,336.93 and 402,586.71 is: 600,930.45
Step by Step Solution
- Step 1: Write the proportion equation
456,454.14 : 681,336.93 = 402,586.71 : x - Step 2: Convert to fraction form
456,454.14/681,336.93 = 402,586.71/x - Step 3: Cross multiply
456,454.14x = 681,336.93 × 402,586.71 - Step 4: Simplify right side
456,454.14x = 274,297,193,050.20 - Step 5: Solve for x
x = 274,297,193,050.20/456,454.14 - Step 6: Final answer
x = 600,930.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.