Finding the Fourth Proportional to 651,617.74, 977,589.38 and 459,866.44
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Solution
The fourth proportional to 651,617.74, 977,589.38 and 459,866.44 is: 689,914.53
Step by Step Solution
- Step 1: Write the proportion equation
651,617.74 : 977,589.38 = 459,866.44 : x - Step 2: Convert to fraction form
651,617.74/977,589.38 = 459,866.44/x - Step 3: Cross multiply
651,617.74x = 977,589.38 × 459,866.44 - Step 4: Simplify right side
651,617.74x = 449,560,547,962.41 - Step 5: Solve for x
x = 449,560,547,962.41/651,617.74 - Step 6: Final answer
x = 689,914.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.