Finding the Fourth Proportional to 915,474.34, 1,263,303.97 and 507,552.36
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Solution
The fourth proportional to 915,474.34, 1,263,303.97 and 507,552.36 is: 700,394.19
Step by Step Solution
- Step 1: Write the proportion equation
915,474.34 : 1,263,303.97 = 507,552.36 : x - Step 2: Convert to fraction form
915,474.34/1,263,303.97 = 507,552.36/x - Step 3: Cross multiply
915,474.34x = 1,263,303.97 × 507,552.36 - Step 4: Simplify right side
915,474.34x = 641,192,911,370.87 - Step 5: Solve for x
x = 641,192,911,370.87/915,474.34 - Step 6: Final answer
x = 700,394.19
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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.