Finding the Fourth Proportional to 654,762.26, 903,581.25 and 386,490.26
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Solution
The fourth proportional to 654,762.26, 903,581.25 and 386,490.26 is: 533,362.07
Step by Step Solution
- Step 1: Write the proportion equation
654,762.26 : 903,581.25 = 386,490.26 : x - Step 2: Convert to fraction form
654,762.26/903,581.25 = 386,490.26/x - Step 3: Cross multiply
654,762.26x = 903,581.25 × 386,490.26 - Step 4: Simplify right side
654,762.26x = 349,225,352,243.63 - Step 5: Solve for x
x = 349,225,352,243.63/654,762.26 - Step 6: Final answer
x = 533,362.07
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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.