Finding the Fourth Proportional to 852,642.84, 1,176,647.34 and 470,669.88
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Solution
The fourth proportional to 852,642.84, 1,176,647.34 and 470,669.88 is: 649,524.56
Step by Step Solution
- Step 1: Write the proportion equation
852,642.84 : 1,176,647.34 = 470,669.88 : x - Step 2: Convert to fraction form
852,642.84/1,176,647.34 = 470,669.88/x - Step 3: Cross multiply
852,642.84x = 1,176,647.34 × 470,669.88 - Step 4: Simplify right side
852,642.84x = 553,812,462,320.12 - Step 5: Solve for x
x = 553,812,462,320.12/852,642.84 - Step 6: Final answer
x = 649,524.56
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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.