Finding the Fourth Proportional to 632,787.36, 873,234.87 and 346,301.70
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Solution
The fourth proportional to 632,787.36, 873,234.87 and 346,301.70 is: 477,889.95
Step by Step Solution
- Step 1: Write the proportion equation
632,787.36 : 873,234.87 = 346,301.70 : x - Step 2: Convert to fraction form
632,787.36/873,234.87 = 346,301.70/x - Step 3: Cross multiply
632,787.36x = 873,234.87 × 346,301.70 - Step 4: Simplify right side
632,787.36x = 302,402,719,980.28 - Step 5: Solve for x
x = 302,402,719,980.28/632,787.36 - Step 6: Final answer
x = 477,889.95
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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.