Finding the Fourth Proportional to 912,143.84, 1,258,757.70 and 549,583
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Solution
The fourth proportional to 912,143.84, 1,258,757.70 and 549,583 is: 758,424.06
Step by Step Solution
- Step 1: Write the proportion equation
912,143.84 : 1,258,757.70 = 549,583 : x - Step 2: Convert to fraction form
912,143.84/1,258,757.70 = 549,583/x - Step 3: Cross multiply
912,143.84x = 1,258,757.70 × 549,583 - Step 4: Simplify right side
912,143.84x = 691,791,833,039.10 - Step 5: Solve for x
x = 691,791,833,039.10/912,143.84 - Step 6: Final answer
x = 758,424.06
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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.