Finding the Fourth Proportional to 553,775.67, 764,210.70 and 299,126.79
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Solution
The fourth proportional to 553,775.67, 764,210.70 and 299,126.79 is: 412,795.12
Step by Step Solution
- Step 1: Write the proportion equation
553,775.67 : 764,210.70 = 299,126.79 : x - Step 2: Convert to fraction form
553,775.67/764,210.70 = 299,126.79/x - Step 3: Cross multiply
553,775.67x = 764,210.70 × 299,126.79 - Step 4: Simplify right side
553,775.67x = 228,595,893,574.65 - Step 5: Solve for x
x = 228,595,893,574.65/553,775.67 - Step 6: Final answer
x = 412,795.12
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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.