Finding the Fourth Proportional to 921,826.08, 1,272,125.88 and 513,954
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Solution
The fourth proportional to 921,826.08, 1,272,125.88 and 513,954 is: 709,259.80
Step by Step Solution
- Step 1: Write the proportion equation
921,826.08 : 1,272,125.88 = 513,954 : x - Step 2: Convert to fraction form
921,826.08/1,272,125.88 = 513,954/x - Step 3: Cross multiply
921,826.08x = 1,272,125.88 × 513,954 - Step 4: Simplify right side
921,826.08x = 653,814,184,529.52 - Step 5: Solve for x
x = 653,814,184,529.52/921,826.08 - Step 6: Final answer
x = 709,259.80
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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.