Finding the Fourth Proportional to 943,102.81, 1,301,482.02 and 513,386.15
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Solution
The fourth proportional to 943,102.81, 1,301,482.02 and 513,386.15 is: 708,472.96
Step by Step Solution
- Step 1: Write the proportion equation
943,102.81 : 1,301,482.02 = 513,386.15 : x - Step 2: Convert to fraction form
943,102.81/1,301,482.02 = 513,386.15/x - Step 3: Cross multiply
943,102.81x = 1,301,482.02 × 513,386.15 - Step 4: Simplify right side
943,102.81x = 668,162,843,542.02 - Step 5: Solve for x
x = 668,162,843,542.02/943,102.81 - Step 6: Final answer
x = 708,472.96
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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.