Finding the Fourth Proportional to 958,145.80, 1,437,218.70 and 786,903.70
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Solution
The fourth proportional to 958,145.80, 1,437,218.70 and 786,903.70 is: 1,180,355.55
Step by Step Solution
- Step 1: Write the proportion equation
958,145.80 : 1,437,218.70 = 786,903.70 : x - Step 2: Convert to fraction form
958,145.80/1,437,218.70 = 786,903.70/x - Step 3: Cross multiply
958,145.80x = 1,437,218.70 × 786,903.70 - Step 4: Simplify right side
958,145.80x = 1,130,952,712,739.19 - Step 5: Solve for x
x = 1,130,952,712,739.19/958,145.80 - Step 6: Final answer
x = 1,180,355.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.