Finding the Fourth Proportional to 558,588.63, 837,217.12 and 389,191.71
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Solution
The fourth proportional to 558,588.63, 837,217.12 and 389,191.71 is: 583,323.66
Step by Step Solution
- Step 1: Write the proportion equation
558,588.63 : 837,217.12 = 389,191.71 : x - Step 2: Convert to fraction form
558,588.63/837,217.12 = 389,191.71/x - Step 3: Cross multiply
558,588.63x = 837,217.12 × 389,191.71 - Step 4: Simplify right side
558,588.63x = 325,837,962,574.08 - Step 5: Solve for x
x = 325,837,962,574.08/558,588.63 - Step 6: Final answer
x = 583,323.66
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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.