Finding the Fourth Proportional to 665,631.47, 999,332.95 and 350,309.81
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Solution
The fourth proportional to 665,631.47, 999,332.95 and 350,309.81 is: 525,930.87
Step by Step Solution
- Step 1: Write the proportion equation
665,631.47 : 999,332.95 = 350,309.81 : x - Step 2: Convert to fraction form
665,631.47/999,332.95 = 350,309.81/x - Step 3: Cross multiply
665,631.47x = 999,332.95 × 350,309.81 - Step 4: Simplify right side
665,631.47x = 350,076,135,841.24 - Step 5: Solve for x
x = 350,076,135,841.24/665,631.47 - Step 6: Final answer
x = 525,930.87
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.