Finding the Fourth Proportional to 836,957.19, 1,155,126.99 and 510,459.63
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Solution
The fourth proportional to 836,957.19, 1,155,126.99 and 510,459.63 is: 704,511.18
Step by Step Solution
- Step 1: Write the proportion equation
836,957.19 : 1,155,126.99 = 510,459.63 : x - Step 2: Convert to fraction form
836,957.19/1,155,126.99 = 510,459.63/x - Step 3: Cross multiply
836,957.19x = 1,155,126.99 × 510,459.63 - Step 4: Simplify right side
836,957.19x = 589,645,695,918.41 - Step 5: Solve for x
x = 589,645,695,918.41/836,957.19 - Step 6: Final answer
x = 704,511.18
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.