Finding the Fourth Proportional to 688,651.92, 950,338.71 and 382,718.70
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Solution
The fourth proportional to 688,651.92, 950,338.71 and 382,718.70 is: 528,151.28
Step by Step Solution
- Step 1: Write the proportion equation
688,651.92 : 950,338.71 = 382,718.70 : x - Step 2: Convert to fraction form
688,651.92/950,338.71 = 382,718.70/x - Step 3: Cross multiply
688,651.92x = 950,338.71 × 382,718.70 - Step 4: Simplify right side
688,651.92x = 363,712,395,650.88 - Step 5: Solve for x
x = 363,712,395,650.88/688,651.92 - Step 6: Final answer
x = 528,151.28
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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.