Finding the Fourth Proportional to 752,495.28, 1,038,374.96 and 446,519
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Solution
The fourth proportional to 752,495.28, 1,038,374.96 and 446,519 is: 616,155.56
Step by Step Solution
- Step 1: Write the proportion equation
752,495.28 : 1,038,374.96 = 446,519 : x - Step 2: Convert to fraction form
752,495.28/1,038,374.96 = 446,519/x - Step 3: Cross multiply
752,495.28x = 1,038,374.96 × 446,519 - Step 4: Simplify right side
752,495.28x = 463,654,148,764.24 - Step 5: Solve for x
x = 463,654,148,764.24/752,495.28 - Step 6: Final answer
x = 616,155.56
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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.