Finding the Fourth Proportional to 732,145.05, 1,098,925.99 and 353,332.45
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Solution
The fourth proportional to 732,145.05, 1,098,925.99 and 353,332.45 is: 530,340.55
Step by Step Solution
- Step 1: Write the proportion equation
732,145.05 : 1,098,925.99 = 353,332.45 : x - Step 2: Convert to fraction form
732,145.05/1,098,925.99 = 353,332.45/x - Step 3: Cross multiply
732,145.05x = 1,098,925.99 × 353,332.45 - Step 4: Simplify right side
732,145.05x = 388,286,205,154.08 - Step 5: Solve for x
x = 388,286,205,154.08/732,145.05 - Step 6: Final answer
x = 530,340.55
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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.