Finding the Fourth Proportional to 838,675.52, 1,157,385.39 and 456,701.99
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Solution
The fourth proportional to 838,675.52, 1,157,385.39 and 456,701.99 is: 630,255.92
Step by Step Solution
- Step 1: Write the proportion equation
838,675.52 : 1,157,385.39 = 456,701.99 : x - Step 2: Convert to fraction form
838,675.52/1,157,385.39 = 456,701.99/x - Step 3: Cross multiply
838,675.52x = 1,157,385.39 × 456,701.99 - Step 4: Simplify right side
838,675.52x = 528,580,210,809.93 - Step 5: Solve for x
x = 528,580,210,809.93/838,675.52 - Step 6: Final answer
x = 630,255.92
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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.