Finding the Fourth Proportional to 891,483.66, 1,337,352.66 and 292,491.63
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Solution
The fourth proportional to 891,483.66, 1,337,352.66 and 292,491.63 is: 438,779.17
Step by Step Solution
- Step 1: Write the proportion equation
891,483.66 : 1,337,352.66 = 292,491.63 : x - Step 2: Convert to fraction form
891,483.66/1,337,352.66 = 292,491.63/x - Step 3: Cross multiply
891,483.66x = 1,337,352.66 × 292,491.63 - Step 4: Simplify right side
891,483.66x = 391,164,459,408.24 - Step 5: Solve for x
x = 391,164,459,408.24/891,483.66 - Step 6: Final answer
x = 438,779.17
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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.