Finding the Fourth Proportional to 648,031.16, 894,325.99 and 361,557.45
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Solution
The fourth proportional to 648,031.16, 894,325.99 and 361,557.45 is: 498,973.27
Step by Step Solution
- Step 1: Write the proportion equation
648,031.16 : 894,325.99 = 361,557.45 : x - Step 2: Convert to fraction form
648,031.16/894,325.99 = 361,557.45/x - Step 3: Cross multiply
648,031.16x = 894,325.99 × 361,557.45 - Step 4: Simplify right side
648,031.16x = 323,350,224,413.13 - Step 5: Solve for x
x = 323,350,224,413.13/648,031.16 - Step 6: Final answer
x = 498,973.27
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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.