Finding the Fourth Proportional to 767,136.96, 1,058,624.64 and 480,811.68
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Solution
The fourth proportional to 767,136.96, 1,058,624.64 and 480,811.68 is: 663,504.85
Step by Step Solution
- Step 1: Write the proportion equation
767,136.96 : 1,058,624.64 = 480,811.68 : x - Step 2: Convert to fraction form
767,136.96/1,058,624.64 = 480,811.68/x - Step 3: Cross multiply
767,136.96x = 1,058,624.64 × 480,811.68 - Step 4: Simplify right side
767,136.96x = 508,999,091,647.80 - Step 5: Solve for x
x = 508,999,091,647.80/767,136.96 - Step 6: Final answer
x = 663,504.85
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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.