Finding the Fourth Proportional to 838,329.99, 1,156,889.57 and 456,355.86
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Solution
The fourth proportional to 838,329.99, 1,156,889.57 and 456,355.86 is: 629,767.92
Step by Step Solution
- Step 1: Write the proportion equation
838,329.99 : 1,156,889.57 = 456,355.86 : x - Step 2: Convert to fraction form
838,329.99/1,156,889.57 = 456,355.86/x - Step 3: Cross multiply
838,329.99x = 1,156,889.57 × 456,355.86 - Step 4: Simplify right side
838,329.99x = 527,953,332,360.60 - Step 5: Solve for x
x = 527,953,332,360.60/838,329.99 - Step 6: Final answer
x = 629,767.92
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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.