Finding the Fourth Proportional to 900,822.44, 1,243,585.02 and 518,775.42
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Solution
The fourth proportional to 900,822.44, 1,243,585.02 and 518,775.42 is: 716,169.26
Step by Step Solution
- Step 1: Write the proportion equation
900,822.44 : 1,243,585.02 = 518,775.42 : x - Step 2: Convert to fraction form
900,822.44/1,243,585.02 = 518,775.42/x - Step 3: Cross multiply
900,822.44x = 1,243,585.02 × 518,775.42 - Step 4: Simplify right side
900,822.44x = 645,141,341,056.21 - Step 5: Solve for x
x = 645,141,341,056.21/900,822.44 - Step 6: Final answer
x = 716,169.26
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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.