Finding the Fourth Proportional to 564,111.71, 778,484.68 and 346,211.18
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Solution
The fourth proportional to 564,111.71, 778,484.68 and 346,211.18 is: 477,777.88
Step by Step Solution
- Step 1: Write the proportion equation
564,111.71 : 778,484.68 = 346,211.18 : x - Step 2: Convert to fraction form
564,111.71/778,484.68 = 346,211.18/x - Step 3: Cross multiply
564,111.71x = 778,484.68 × 346,211.18 - Step 4: Simplify right side
564,111.71x = 269,520,099,674.72 - Step 5: Solve for x
x = 269,520,099,674.72/564,111.71 - Step 6: Final answer
x = 477,777.88
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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.