Finding the Fourth Proportional to 652,373.80, 978,560.70 and 372,437.80
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Solution
The fourth proportional to 652,373.80, 978,560.70 and 372,437.80 is: 558,656.70
Step by Step Solution
- Step 1: Write the proportion equation
652,373.80 : 978,560.70 = 372,437.80 : x - Step 2: Convert to fraction form
652,373.80/978,560.70 = 372,437.80/x - Step 3: Cross multiply
652,373.80x = 978,560.70 × 372,437.80 - Step 4: Simplify right side
652,373.80x = 364,452,994,274.46 - Step 5: Solve for x
x = 364,452,994,274.46/652,373.80 - Step 6: Final answer
x = 558,656.70
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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.