Finding the Fourth Proportional to 609,326.93, 840,973.52 and 354,828.17
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Solution
The fourth proportional to 609,326.93, 840,973.52 and 354,828.17 is: 489,722.48
Step by Step Solution
- Step 1: Write the proportion equation
609,326.93 : 840,973.52 = 354,828.17 : x - Step 2: Convert to fraction form
609,326.93/840,973.52 = 354,828.17/x - Step 3: Cross multiply
609,326.93x = 840,973.52 × 354,828.17 - Step 4: Simplify right side
609,326.93x = 298,401,095,120.06 - Step 5: Solve for x
x = 298,401,095,120.06/609,326.93 - Step 6: Final answer
x = 489,722.48
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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.