Finding the Fourth Proportional to 649,349.07, 974,220.70 and 312,294.07
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Solution
The fourth proportional to 649,349.07, 974,220.70 and 312,294.07 is: 468,535.89
Step by Step Solution
- Step 1: Write the proportion equation
649,349.07 : 974,220.70 = 312,294.07 : x - Step 2: Convert to fraction form
649,349.07/974,220.70 = 312,294.07/x - Step 3: Cross multiply
649,349.07x = 974,220.70 × 312,294.07 - Step 4: Simplify right side
649,349.07x = 304,243,347,481.25 - Step 5: Solve for x
x = 304,243,347,481.25/649,349.07 - Step 6: Final answer
x = 468,535.89
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.