Finding the Fourth Proportional to 543,955.92, 750,417.66 and 362,491.08
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Solution
The fourth proportional to 543,955.92, 750,417.66 and 362,491.08 is: 500,076.75
Step by Step Solution
- Step 1: Write the proportion equation
543,955.92 : 750,417.66 = 362,491.08 : x - Step 2: Convert to fraction form
543,955.92/750,417.66 = 362,491.08/x - Step 3: Cross multiply
543,955.92x = 750,417.66 × 362,491.08 - Step 4: Simplify right side
543,955.92x = 272,019,708,024.47 - Step 5: Solve for x
x = 272,019,708,024.47/543,955.92 - Step 6: Final answer
x = 500,076.75
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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.