Finding the Fourth Proportional to 630,950.68, 870,674.97 and 344,413.18
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Solution
The fourth proportional to 630,950.68, 870,674.97 and 344,413.18 is: 475,270.01
Step by Step Solution
- Step 1: Write the proportion equation
630,950.68 : 870,674.97 = 344,413.18 : x - Step 2: Convert to fraction form
630,950.68/870,674.97 = 344,413.18/x - Step 3: Cross multiply
630,950.68x = 870,674.97 × 344,413.18 - Step 4: Simplify right side
630,950.68x = 299,871,935,164.11 - Step 5: Solve for x
x = 299,871,935,164.11/630,950.68 - Step 6: Final answer
x = 475,270.01
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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.