Finding the Fourth Proportional to 953,053.08, 1,315,216.90 and 517,471.08
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Solution
The fourth proportional to 953,053.08, 1,315,216.90 and 517,471.08 is: 714,112.07
Step by Step Solution
- Step 1: Write the proportion equation
953,053.08 : 1,315,216.90 = 517,471.08 : x - Step 2: Convert to fraction form
953,053.08/1,315,216.90 = 517,471.08/x - Step 3: Cross multiply
953,053.08x = 1,315,216.90 × 517,471.08 - Step 4: Simplify right side
953,053.08x = 680,586,709,677.25 - Step 5: Solve for x
x = 680,586,709,677.25/953,053.08 - Step 6: Final answer
x = 714,112.07
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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.