Finding the Fourth Proportional to 852,488.05, 1,176,349.76 and 470,490.17
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Solution
The fourth proportional to 852,488.05, 1,176,349.76 and 470,490.17 is: 649,230.21
Step by Step Solution
- Step 1: Write the proportion equation
852,488.05 : 1,176,349.76 = 470,490.17 : x - Step 2: Convert to fraction form
852,488.05/1,176,349.76 = 470,490.17/x - Step 3: Cross multiply
852,488.05x = 1,176,349.76 × 470,490.17 - Step 4: Simplify right side
852,488.05x = 553,460,996,209.41 - Step 5: Solve for x
x = 553,460,996,209.41/852,488.05 - Step 6: Final answer
x = 649,230.21
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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.