Finding the Fourth Proportional to 609,221.54, 840,946.50 and 354,572.79
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Solution
The fourth proportional to 609,221.54, 840,946.50 and 354,572.79 is: 489,438.95
Step by Step Solution
- Step 1: Write the proportion equation
609,221.54 : 840,946.50 = 354,572.79 : x - Step 2: Convert to fraction form
609,221.54/840,946.50 = 354,572.79/x - Step 3: Cross multiply
609,221.54x = 840,946.50 × 354,572.79 - Step 4: Simplify right side
609,221.54x = 298,176,746,745.74 - Step 5: Solve for x
x = 298,176,746,745.74/609,221.54 - Step 6: Final answer
x = 489,438.95
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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.