Finding the Fourth Proportional to 553,094.78, 829,900.44 and 286,709.99
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Solution
The fourth proportional to 553,094.78, 829,900.44 and 286,709.99 is: 430,198.86
Step by Step Solution
- Step 1: Write the proportion equation
553,094.78 : 829,900.44 = 286,709.99 : x - Step 2: Convert to fraction form
553,094.78/829,900.44 = 286,709.99/x - Step 3: Cross multiply
553,094.78x = 829,900.44 × 286,709.99 - Step 4: Simplify right side
553,094.78x = 237,940,742,703.89 - Step 5: Solve for x
x = 237,940,742,703.89/553,094.78 - Step 6: Final answer
x = 430,198.86
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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.