Finding the Fourth Proportional to 891,663.19, 1,337,214.02 and 292,485.13
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Solution
The fourth proportional to 891,663.19, 1,337,214.02 and 292,485.13 is: 438,635.59
Step by Step Solution
- Step 1: Write the proportion equation
891,663.19 : 1,337,214.02 = 292,485.13 : x - Step 2: Convert to fraction form
891,663.19/1,337,214.02 = 292,485.13/x - Step 3: Cross multiply
891,663.19x = 1,337,214.02 × 292,485.13 - Step 4: Simplify right side
891,663.19x = 391,115,211,672.06 - Step 5: Solve for x
x = 391,115,211,672.06/891,663.19 - Step 6: Final answer
x = 438,635.59
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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.