Finding the Fourth Proportional to 982,946.98, 1,473,173.68 and 442,626.76
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Solution
The fourth proportional to 982,946.98, 1,473,173.68 and 442,626.76 is: 663,378.70
Step by Step Solution
- Step 1: Write the proportion equation
982,946.98 : 1,473,173.68 = 442,626.76 : x - Step 2: Convert to fraction form
982,946.98/1,473,173.68 = 442,626.76/x - Step 3: Cross multiply
982,946.98x = 1,473,173.68 × 442,626.76 - Step 4: Simplify right side
982,946.98x = 652,066,092,895.68 - Step 5: Solve for x
x = 652,066,092,895.68/982,946.98 - Step 6: Final answer
x = 663,378.70
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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.