Finding the Fourth Proportional to 746,152.83, 1,029,586.95 and 419,419.53
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Solution
The fourth proportional to 746,152.83, 1,029,586.95 and 419,419.53 is: 578,740.52
Step by Step Solution
- Step 1: Write the proportion equation
746,152.83 : 1,029,586.95 = 419,419.53 : x - Step 2: Convert to fraction form
746,152.83/1,029,586.95 = 419,419.53/x - Step 3: Cross multiply
746,152.83x = 1,029,586.95 × 419,419.53 - Step 4: Simplify right side
746,152.83x = 431,828,874,663.13 - Step 5: Solve for x
x = 431,828,874,663.13/746,152.83 - Step 6: Final answer
x = 578,740.52
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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.