Finding the Fourth Proportional to 963,136.71, 1,329,014.72 and 555,372.53
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Solution
The fourth proportional to 963,136.71, 1,329,014.72 and 555,372.53 is: 766,348.38
Step by Step Solution
- Step 1: Write the proportion equation
963,136.71 : 1,329,014.72 = 555,372.53 : x - Step 2: Convert to fraction form
963,136.71/1,329,014.72 = 555,372.53/x - Step 3: Cross multiply
963,136.71x = 1,329,014.72 × 555,372.53 - Step 4: Simplify right side
963,136.71x = 738,098,258,031.71 - Step 5: Solve for x
x = 738,098,258,031.71/963,136.71 - Step 6: Final answer
x = 766,348.38
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1.5x scale
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.