Finding the Fourth Proportional to 652,193.80, 978,290.70 and 558,881.80
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Solution
The fourth proportional to 652,193.80, 978,290.70 and 558,881.80 is: 838,322.70
Step by Step Solution
- Step 1: Write the proportion equation
652,193.80 : 978,290.70 = 558,881.80 : x - Step 2: Convert to fraction form
652,193.80/978,290.70 = 558,881.80/x - Step 3: Cross multiply
652,193.80x = 978,290.70 × 558,881.80 - Step 4: Simplify right side
652,193.80x = 546,748,867,339.26 - Step 5: Solve for x
x = 546,748,867,339.26/652,193.80 - Step 6: Final answer
x = 838,322.70
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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.