Finding the Fourth Proportional to 948,867.66, 1,309,468.82 and 519,147.99
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Solution
The fourth proportional to 948,867.66, 1,309,468.82 and 519,147.99 is: 716,441.43
Step by Step Solution
- Step 1: Write the proportion equation
948,867.66 : 1,309,468.82 = 519,147.99 : x - Step 2: Convert to fraction form
948,867.66/1,309,468.82 = 519,147.99/x - Step 3: Cross multiply
948,867.66x = 1,309,468.82 × 519,147.99 - Step 4: Simplify right side
948,867.66x = 679,808,103,274.93 - Step 5: Solve for x
x = 679,808,103,274.93/948,867.66 - Step 6: Final answer
x = 716,441.43
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.