Finding the Fourth Proportional to 986,944.08, 1,480,194.66 and 453,953.04
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Solution
The fourth proportional to 986,944.08, 1,480,194.66 and 453,953.04 is: 680,827.70
Step by Step Solution
- Step 1: Write the proportion equation
986,944.08 : 1,480,194.66 = 453,953.04 : x - Step 2: Convert to fraction form
986,944.08/1,480,194.66 = 453,953.04/x - Step 3: Cross multiply
986,944.08x = 1,480,194.66 × 453,953.04 - Step 4: Simplify right side
986,944.08x = 671,938,865,698.77 - Step 5: Solve for x
x = 671,938,865,698.77/986,944.08 - Step 6: Final answer
x = 680,827.70
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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.