Finding the Fourth Proportional to 677,887.84, 935,484.55 and 371,965.96
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Solution
The fourth proportional to 677,887.84, 935,484.55 and 371,965.96 is: 513,312.66
Step by Step Solution
- Step 1: Write the proportion equation
677,887.84 : 935,484.55 = 371,965.96 : x - Step 2: Convert to fraction form
677,887.84/935,484.55 = 371,965.96/x - Step 3: Cross multiply
677,887.84x = 935,484.55 × 371,965.96 - Step 4: Simplify right side
677,887.84x = 347,968,408,705.92 - Step 5: Solve for x
x = 347,968,408,705.92/677,887.84 - Step 6: Final answer
x = 513,312.66
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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.