Finding the Fourth Proportional to 651,526.72, 977,252.64 and 386,967.68
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Solution
The fourth proportional to 651,526.72, 977,252.64 and 386,967.68 is: 580,429.28
Step by Step Solution
- Step 1: Write the proportion equation
651,526.72 : 977,252.64 = 386,967.68 : x - Step 2: Convert to fraction form
651,526.72/977,252.64 = 386,967.68/x - Step 3: Cross multiply
651,526.72x = 977,252.64 × 386,967.68 - Step 4: Simplify right side
651,526.72x = 378,165,186,874.68 - Step 5: Solve for x
x = 378,165,186,874.68/651,526.72 - Step 6: Final answer
x = 580,429.28
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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.