Finding the Fourth Proportional to 961,719.36, 1,327,057.04 and 553,953.84
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Solution
The fourth proportional to 961,719.36, 1,327,057.04 and 553,953.84 is: 764,389.67
Step by Step Solution
- Step 1: Write the proportion equation
961,719.36 : 1,327,057.04 = 553,953.84 : x - Step 2: Convert to fraction form
961,719.36/1,327,057.04 = 553,953.84/x - Step 3: Cross multiply
961,719.36x = 1,327,057.04 × 553,953.84 - Step 4: Simplify right side
961,719.36x = 735,128,343,207.03 - Step 5: Solve for x
x = 735,128,343,207.03/961,719.36 - Step 6: Final answer
x = 764,389.67
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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.