Finding the Fourth Proportional to 716,691.42, 989,070.24 and 410,803.02
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Solution
The fourth proportional to 716,691.42, 989,070.24 and 410,803.02 is: 566,928.85
Step by Step Solution
- Step 1: Write the proportion equation
716,691.42 : 989,070.24 = 410,803.02 : x - Step 2: Convert to fraction form
716,691.42/989,070.24 = 410,803.02/x - Step 3: Cross multiply
716,691.42x = 989,070.24 × 410,803.02 - Step 4: Simplify right side
716,691.42x = 406,313,041,584.13 - Step 5: Solve for x
x = 406,313,041,584.13/716,691.42 - Step 6: Final answer
x = 566,928.85
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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.