Finding the Fourth Proportional to 591,432.36, 891,138.87 and 488,554.92
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Solution
The fourth proportional to 591,432.36, 891,138.87 and 488,554.92 is: 736,128.61
Step by Step Solution
- Step 1: Write the proportion equation
591,432.36 : 891,138.87 = 488,554.92 : x - Step 2: Convert to fraction form
591,432.36/891,138.87 = 488,554.92/x - Step 3: Cross multiply
591,432.36x = 891,138.87 × 488,554.92 - Step 4: Simplify right side
591,432.36x = 435,370,279,341.74 - Step 5: Solve for x
x = 435,370,279,341.74/591,432.36 - Step 6: Final answer
x = 736,128.61
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.