Finding the Fourth Proportional to 752,471.46, 1,038,342.05 and 446,495.12
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Solution
The fourth proportional to 752,471.46, 1,038,342.05 and 446,495.12 is: 616,122.58
Step by Step Solution
- Step 1: Write the proportion equation
752,471.46 : 1,038,342.05 = 446,495.12 : x - Step 2: Convert to fraction form
752,471.46/1,038,342.05 = 446,495.12/x - Step 3: Cross multiply
752,471.46x = 1,038,342.05 × 446,495.12 - Step 4: Simplify right side
752,471.46x = 463,614,658,215.80 - Step 5: Solve for x
x = 463,614,658,215.80/752,471.46 - Step 6: Final answer
x = 616,122.58
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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.