Finding the Fourth Proportional to 832,390.62, 1,148,569.11 and 474,625.50
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Solution
The fourth proportional to 832,390.62, 1,148,569.11 and 474,625.50 is: 654,909.10
Step by Step Solution
- Step 1: Write the proportion equation
832,390.62 : 1,148,569.11 = 474,625.50 : x - Step 2: Convert to fraction form
832,390.62/1,148,569.11 = 474,625.50/x - Step 3: Cross multiply
832,390.62x = 1,148,569.11 × 474,625.50 - Step 4: Simplify right side
832,390.62x = 545,140,188,118.31 - Step 5: Solve for x
x = 545,140,188,118.31/832,390.62 - Step 6: Final answer
x = 654,909.10
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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.