Finding the Fourth Proportional to 912,142.84, 1,258,756.32 and 549,582
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Solution
The fourth proportional to 912,142.84, 1,258,756.32 and 549,582 is: 758,422.68
Step by Step Solution
- Step 1: Write the proportion equation
912,142.84 : 1,258,756.32 = 549,582 : x - Step 2: Convert to fraction form
912,142.84/1,258,756.32 = 549,582/x - Step 3: Cross multiply
912,142.84x = 1,258,756.32 × 549,582 - Step 4: Simplify right side
912,142.84x = 691,789,815,858.24 - Step 5: Solve for x
x = 691,789,815,858.24/912,142.84 - Step 6: Final answer
x = 758,422.68
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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.