Finding the Fourth Proportional to 851,932.24, 1,175,720.20 and 489,472.08
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Solution
The fourth proportional to 851,932.24, 1,175,720.20 and 489,472.08 is: 675,502.33
Step by Step Solution
- Step 1: Write the proportion equation
851,932.24 : 1,175,720.20 = 489,472.08 : x - Step 2: Convert to fraction form
851,932.24/1,175,720.20 = 489,472.08/x - Step 3: Cross multiply
851,932.24x = 1,175,720.20 × 489,472.08 - Step 4: Simplify right side
851,932.24x = 575,482,211,792.02 - Step 5: Solve for x
x = 575,482,211,792.02/851,932.24 - Step 6: Final answer
x = 675,502.33
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.