Finding the Fourth Proportional to 880,056.84, 1,214,270.29 and 498,083.62
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Solution
The fourth proportional to 880,056.84, 1,214,270.29 and 498,083.62 is: 687,237.59
Step by Step Solution
- Step 1: Write the proportion equation
880,056.84 : 1,214,270.29 = 498,083.62 : x - Step 2: Convert to fraction form
880,056.84/1,214,270.29 = 498,083.62/x - Step 3: Cross multiply
880,056.84x = 1,214,270.29 × 498,083.62 - Step 4: Simplify right side
880,056.84x = 604,808,141,701.65 - Step 5: Solve for x
x = 604,808,141,701.65/880,056.84 - Step 6: Final answer
x = 687,237.59
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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.