Finding the Fourth Proportional to 569,929.99, 786,500.53 and 311,802.26
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Solution
The fourth proportional to 569,929.99, 786,500.53 and 311,802.26 is: 430,285.55
Step by Step Solution
- Step 1: Write the proportion equation
569,929.99 : 786,500.53 = 311,802.26 : x - Step 2: Convert to fraction form
569,929.99/786,500.53 = 311,802.26/x - Step 3: Cross multiply
569,929.99x = 786,500.53 × 311,802.26 - Step 4: Simplify right side
569,929.99x = 245,232,638,033.19 - Step 5: Solve for x
x = 245,232,638,033.19/569,929.99 - Step 6: Final answer
x = 430,285.55
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1.5x scale
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.