Finding the Fourth Proportional to 873,854.70, 1,311,291.45 and 368,384.70
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Solution
The fourth proportional to 873,854.70, 1,311,291.45 and 368,384.70 is: 552,791.79
Step by Step Solution
- Step 1: Write the proportion equation
873,854.70 : 1,311,291.45 = 368,384.70 : x - Step 2: Convert to fraction form
873,854.70/1,311,291.45 = 368,384.70/x - Step 3: Cross multiply
873,854.70x = 1,311,291.45 × 368,384.70 - Step 4: Simplify right side
873,854.70x = 483,059,707,420.82 - Step 5: Solve for x
x = 483,059,707,420.82/873,854.70 - Step 6: Final answer
x = 552,791.79
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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.