Finding the Fourth Proportional to 709,748.70, 1,062,873.45 and 471,803.10
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Solution
The fourth proportional to 709,748.70, 1,062,873.45 and 471,803.10 is: 706,541.61
Step by Step Solution
- Step 1: Write the proportion equation
709,748.70 : 1,062,873.45 = 471,803.10 : x - Step 2: Convert to fraction form
709,748.70/1,062,873.45 = 471,803.10/x - Step 3: Cross multiply
709,748.70x = 1,062,873.45 × 471,803.10 - Step 4: Simplify right side
709,748.70x = 501,466,988,617.70 - Step 5: Solve for x
x = 501,466,988,617.70/709,748.70 - Step 6: Final answer
x = 706,541.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.