Finding the Fourth Proportional to 447,513.62, 670,384.58 and 391,417.08
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Solution
The fourth proportional to 447,513.62, 670,384.58 and 391,417.08 is: 586,350.81
Step by Step Solution
- Step 1: Write the proportion equation
447,513.62 : 670,384.58 = 391,417.08 : x - Step 2: Convert to fraction form
447,513.62/670,384.58 = 391,417.08/x - Step 3: Cross multiply
447,513.62x = 670,384.58 × 391,417.08 - Step 4: Simplify right side
447,513.62x = 262,399,974,780.63 - Step 5: Solve for x
x = 262,399,974,780.63/447,513.62 - Step 6: Final answer
x = 586,350.81
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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.