Finding the Fourth Proportional to 652,135.80, 978,203.70 and 547,159.80
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Solution
The fourth proportional to 652,135.80, 978,203.70 and 547,159.80 is: 820,739.70
Step by Step Solution
- Step 1: Write the proportion equation
652,135.80 : 978,203.70 = 547,159.80 : x - Step 2: Convert to fraction form
652,135.80/978,203.70 = 547,159.80/x - Step 3: Cross multiply
652,135.80x = 978,203.70 × 547,159.80 - Step 4: Simplify right side
652,135.80x = 535,233,740,851.26 - Step 5: Solve for x
x = 535,233,740,851.26/652,135.80 - Step 6: Final answer
x = 820,739.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.