Finding the Fourth Proportional to 646,277.80, 969,416.70 and 366,341.80
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Solution
The fourth proportional to 646,277.80, 969,416.70 and 366,341.80 is: 549,512.70
Step by Step Solution
- Step 1: Write the proportion equation
646,277.80 : 969,416.70 = 366,341.80 : x - Step 2: Convert to fraction form
646,277.80/969,416.70 = 366,341.80/x - Step 3: Cross multiply
646,277.80x = 969,416.70 × 366,341.80 - Step 4: Simplify right side
646,277.80x = 355,137,858,828.06 - Step 5: Solve for x
x = 355,137,858,828.06/646,277.80 - Step 6: Final answer
x = 549,512.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.