Finding the Fourth Proportional to 754,911.18, 1,041,811.74 and 468,523.53
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Solution
The fourth proportional to 754,911.18, 1,041,811.74 and 468,523.53 is: 646,583.77
Step by Step Solution
- Step 1: Write the proportion equation
754,911.18 : 1,041,811.74 = 468,523.53 : x - Step 2: Convert to fraction form
754,911.18/1,041,811.74 = 468,523.53/x - Step 3: Cross multiply
754,911.18x = 1,041,811.74 × 468,523.53 - Step 4: Simplify right side
754,911.18x = 488,113,314,020.24 - Step 5: Solve for x
x = 488,113,314,020.24/754,911.18 - Step 6: Final answer
x = 646,583.77
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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.