Finding the Fourth Proportional to 909,920.79, 1,256,093.33 and 587,787.93
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Solution
The fourth proportional to 909,920.79, 1,256,093.33 and 587,787.93 is: 811,407.44
Step by Step Solution
- Step 1: Write the proportion equation
909,920.79 : 1,256,093.33 = 587,787.93 : x - Step 2: Convert to fraction form
909,920.79/1,256,093.33 = 587,787.93/x - Step 3: Cross multiply
909,920.79x = 1,256,093.33 × 587,787.93 - Step 4: Simplify right side
909,920.79x = 738,316,495,388.57 - Step 5: Solve for x
x = 738,316,495,388.57/909,920.79 - Step 6: Final answer
x = 811,407.44
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.