Finding the Fourth Proportional to 752,013.77, 1,037,911.68 and 446,258.75
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Solution
The fourth proportional to 752,013.77, 1,037,911.68 and 446,258.75 is: 615,915.81
Step by Step Solution
- Step 1: Write the proportion equation
752,013.77 : 1,037,911.68 = 446,258.75 : x - Step 2: Convert to fraction form
752,013.77/1,037,911.68 = 446,258.75/x - Step 3: Cross multiply
752,013.77x = 1,037,911.68 × 446,258.75 - Step 4: Simplify right side
752,013.77x = 463,177,171,521.98 - Step 5: Solve for x
x = 463,177,171,521.98/752,013.77 - Step 6: Final answer
x = 615,915.81
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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.