Finding the Fourth Proportional to 550,465.02, 759,580.98 and 308,697.84
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Solution
The fourth proportional to 550,465.02, 759,580.98 and 308,697.84 is: 425,968.95
Step by Step Solution
- Step 1: Write the proportion equation
550,465.02 : 759,580.98 = 308,697.84 : x - Step 2: Convert to fraction form
550,465.02/759,580.98 = 308,697.84/x - Step 3: Cross multiply
550,465.02x = 759,580.98 × 308,697.84 - Step 4: Simplify right side
550,465.02x = 234,481,007,831.08 - Step 5: Solve for x
x = 234,481,007,831.08/550,465.02 - Step 6: Final answer
x = 425,968.95
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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.