Finding the Fourth Proportional to 558,862.35, 771,330.72 and 329,406.24
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Solution
The fourth proportional to 558,862.35, 771,330.72 and 329,406.24 is: 454,639.95
Step by Step Solution
- Step 1: Write the proportion equation
558,862.35 : 771,330.72 = 329,406.24 : x - Step 2: Convert to fraction form
558,862.35/771,330.72 = 329,406.24/x - Step 3: Cross multiply
558,862.35x = 771,330.72 × 329,406.24 - Step 4: Simplify right side
558,862.35x = 254,081,152,271.69 - Step 5: Solve for x
x = 254,081,152,271.69/558,862.35 - Step 6: Final answer
x = 454,639.95
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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.