Finding the Fourth Proportional to 724,108.02, 999,280.02 and 401,838.99
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Solution
The fourth proportional to 724,108.02, 999,280.02 and 401,838.99 is: 554,543.88
Step by Step Solution
- Step 1: Write the proportion equation
724,108.02 : 999,280.02 = 401,838.99 : x - Step 2: Convert to fraction form
724,108.02/999,280.02 = 401,838.99/x - Step 3: Cross multiply
724,108.02x = 999,280.02 × 401,838.99 - Step 4: Simplify right side
724,108.02x = 401,549,673,963.98 - Step 5: Solve for x
x = 401,549,673,963.98/724,108.02 - Step 6: Final answer
x = 554,543.88
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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.