Finding the Fourth Proportional to 897,208.84, 1,237,935.36 and 509,993.79
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Solution
The fourth proportional to 897,208.84, 1,237,935.36 and 509,993.79 is: 703,670.45
Step by Step Solution
- Step 1: Write the proportion equation
897,208.84 : 1,237,935.36 = 509,993.79 : x - Step 2: Convert to fraction form
897,208.84/1,237,935.36 = 509,993.79/x - Step 3: Cross multiply
897,208.84x = 1,237,935.36 × 509,993.79 - Step 4: Simplify right side
897,208.84x = 631,339,346,021.41 - Step 5: Solve for x
x = 631,339,346,021.41/897,208.84 - Step 6: Final answer
x = 703,670.45
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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.