Finding the Fourth Proportional to 558,878.13, 771,247.98 and 304,228.71
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Solution
The fourth proportional to 558,878.13, 771,247.98 and 304,228.71 is: 419,833.53
Step by Step Solution
- Step 1: Write the proportion equation
558,878.13 : 771,247.98 = 304,228.71 : x - Step 2: Convert to fraction form
558,878.13/771,247.98 = 304,228.71/x - Step 3: Cross multiply
558,878.13x = 771,247.98 × 304,228.71 - Step 4: Simplify right side
558,878.13x = 234,635,778,045.51 - Step 5: Solve for x
x = 234,635,778,045.51/558,878.13 - Step 6: Final answer
x = 419,833.53
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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.