Finding the Fourth Proportional to 901,405, 1,243,574.58 and 519,227.08
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Solution
The fourth proportional to 901,405, 1,243,574.58 and 519,227.08 is: 716,323.51
Step by Step Solution
- Step 1: Write the proportion equation
901,405 : 1,243,574.58 = 519,227.08 : x - Step 2: Convert to fraction form
901,405/1,243,574.58 = 519,227.08/x - Step 3: Cross multiply
901,405x = 1,243,574.58 × 519,227.08 - Step 4: Simplify right side
901,405x = 645,697,597,935.63 - Step 5: Solve for x
x = 645,697,597,935.63/901,405 - Step 6: Final answer
x = 716,323.51
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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.