Finding the Fourth Proportional to 903,439.98, 1,246,736.61 and 489,970.62
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Solution
The fourth proportional to 903,439.98, 1,246,736.61 and 489,970.62 is: 676,153.73
Step by Step Solution
- Step 1: Write the proportion equation
903,439.98 : 1,246,736.61 = 489,970.62 : x - Step 2: Convert to fraction form
903,439.98/1,246,736.61 = 489,970.62/x - Step 3: Cross multiply
903,439.98x = 1,246,736.61 × 489,970.62 - Step 4: Simplify right side
903,439.98x = 610,864,309,778.40 - Step 5: Solve for x
x = 610,864,309,778.40/903,439.98 - Step 6: Final answer
x = 676,153.73
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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.