Finding the Fourth Proportional to 926,472.81, 1,390,108.64 and 358,253.97
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Solution
The fourth proportional to 926,472.81, 1,390,108.64 and 358,253.97 is: 537,535.41
Step by Step Solution
- Step 1: Write the proportion equation
926,472.81 : 1,390,108.64 = 358,253.97 : x - Step 2: Convert to fraction form
926,472.81/1,390,108.64 = 358,253.97/x - Step 3: Cross multiply
926,472.81x = 1,390,108.64 × 358,253.97 - Step 4: Simplify right side
926,472.81x = 498,011,939,011.30 - Step 5: Solve for x
x = 498,011,939,011.30/926,472.81 - Step 6: Final answer
x = 537,535.41
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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.