Finding the Fourth Proportional to 817,589.16, 1,226,632.56 and 418,510.08
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Solution
The fourth proportional to 817,589.16, 1,226,632.56 and 418,510.08 is: 627,892.49
Step by Step Solution
- Step 1: Write the proportion equation
817,589.16 : 1,226,632.56 = 418,510.08 : x - Step 2: Convert to fraction form
817,589.16/1,226,632.56 = 418,510.08/x - Step 3: Cross multiply
817,589.16x = 1,226,632.56 × 418,510.08 - Step 4: Simplify right side
817,589.16x = 513,358,090,816.21 - Step 5: Solve for x
x = 513,358,090,816.21/817,589.16 - Step 6: Final answer
x = 627,892.49
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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.