Finding the Fourth Proportional to 616,350.84, 850,648.59 and 354,700.74
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Solution
The fourth proportional to 616,350.84, 850,648.59 and 354,700.74 is: 489,535.61
Step by Step Solution
- Step 1: Write the proportion equation
616,350.84 : 850,648.59 = 354,700.74 : x - Step 2: Convert to fraction form
616,350.84/850,648.59 = 354,700.74/x - Step 3: Cross multiply
616,350.84x = 850,648.59 × 354,700.74 - Step 4: Simplify right side
616,350.84x = 301,725,684,352.96 - Step 5: Solve for x
x = 301,725,684,352.96/616,350.84 - Step 6: Final answer
x = 489,535.61
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1.5x scale
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.