Finding the Fourth Proportional to 657,657.60, 986,194.80 and 302,488.80
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Solution
The fourth proportional to 657,657.60, 986,194.80 and 302,488.80 is: 453,599.08
Step by Step Solution
- Step 1: Write the proportion equation
657,657.60 : 986,194.80 = 302,488.80 : x - Step 2: Convert to fraction form
657,657.60/986,194.80 = 302,488.80/x - Step 3: Cross multiply
657,657.60x = 986,194.80 × 302,488.80 - Step 4: Simplify right side
657,657.60x = 298,312,881,618.24 - Step 5: Solve for x
x = 298,312,881,618.24/657,657.60 - Step 6: Final answer
x = 453,599.08
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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.