Finding the Fourth Proportional to 887,242.17, 1,330,330.21 and 346,854.84
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Solution
The fourth proportional to 887,242.17, 1,330,330.21 and 346,854.84 is: 520,073.88
Step by Step Solution
- Step 1: Write the proportion equation
887,242.17 : 1,330,330.21 = 346,854.84 : x - Step 2: Convert to fraction form
887,242.17/1,330,330.21 = 346,854.84/x - Step 3: Cross multiply
887,242.17x = 1,330,330.21 × 346,854.84 - Step 4: Simplify right side
887,242.17x = 461,431,475,715.01 - Step 5: Solve for x
x = 461,431,475,715.01/887,242.17 - Step 6: Final answer
x = 520,073.88
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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.