Finding the Fourth Proportional to 752,269.80, 1,128,392.82 and 302,980.08
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Solution
The fourth proportional to 752,269.80, 1,128,392.82 and 302,980.08 is: 454,465.34
Step by Step Solution
- Step 1: Write the proportion equation
752,269.80 : 1,128,392.82 = 302,980.08 : x - Step 2: Convert to fraction form
752,269.80/1,128,392.82 = 302,980.08/x - Step 3: Cross multiply
752,269.80x = 1,128,392.82 × 302,980.08 - Step 4: Simplify right side
752,269.80x = 341,880,546,875.03 - Step 5: Solve for x
x = 341,880,546,875.03/752,269.80 - Step 6: Final answer
x = 454,465.34
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.