Finding the Fourth Proportional to 558,189.81, 770,335.61 and 328,899.96
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Solution
The fourth proportional to 558,189.81, 770,335.61 and 328,899.96 is: 453,901.78
Step by Step Solution
- Step 1: Write the proportion equation
558,189.81 : 770,335.61 = 328,899.96 : x - Step 2: Convert to fraction form
558,189.81/770,335.61 = 328,899.96/x - Step 3: Cross multiply
558,189.81x = 770,335.61 × 328,899.96 - Step 4: Simplify right side
558,189.81x = 253,363,349,671.08 - Step 5: Solve for x
x = 253,363,349,671.08/558,189.81 - Step 6: Final answer
x = 453,901.78
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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.