Finding the Fourth Proportional to 930,381.39, 1,283,590.40 and 527,740.11
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Solution
The fourth proportional to 930,381.39, 1,283,590.40 and 527,740.11 is: 728,090.81
Step by Step Solution
- Step 1: Write the proportion equation
930,381.39 : 1,283,590.40 = 527,740.11 : x - Step 2: Convert to fraction form
930,381.39/1,283,590.40 = 527,740.11/x - Step 3: Cross multiply
930,381.39x = 1,283,590.40 × 527,740.11 - Step 4: Simplify right side
930,381.39x = 677,402,136,252.24 - Step 5: Solve for x
x = 677,402,136,252.24/930,381.39 - Step 6: Final answer
x = 728,090.81
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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.