Finding the Fourth Proportional to 583,678.71, 805,529.41 and 354,294.41
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Solution
The fourth proportional to 583,678.71, 805,529.41 and 354,294.41 is: 488,958.32
Step by Step Solution
- Step 1: Write the proportion equation
583,678.71 : 805,529.41 = 354,294.41 : x - Step 2: Convert to fraction form
583,678.71/805,529.41 = 354,294.41/x - Step 3: Cross multiply
583,678.71x = 805,529.41 × 354,294.41 - Step 4: Simplify right side
583,678.71x = 285,394,562,140.22 - Step 5: Solve for x
x = 285,394,562,140.22/583,678.71 - Step 6: Final answer
x = 488,958.32
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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.