Finding the Fourth Proportional to 750,506.79, 1,035,697.80 and 406,341.03
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Solution
The fourth proportional to 750,506.79, 1,035,697.80 and 406,341.03 is: 560,749.77
Step by Step Solution
- Step 1: Write the proportion equation
750,506.79 : 1,035,697.80 = 406,341.03 : x - Step 2: Convert to fraction form
750,506.79/1,035,697.80 = 406,341.03/x - Step 3: Cross multiply
750,506.79x = 1,035,697.80 × 406,341.03 - Step 4: Simplify right side
750,506.79x = 420,846,510,820.73 - Step 5: Solve for x
x = 420,846,510,820.73/750,506.79 - Step 6: Final answer
x = 560,749.77
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.