Finding the Fourth Proportional to 640,866.24, 961,293.12 and 450,541.44
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Solution
The fourth proportional to 640,866.24, 961,293.12 and 450,541.44 is: 675,807.77
Step by Step Solution
- Step 1: Write the proportion equation
640,866.24 : 961,293.12 = 450,541.44 : x - Step 2: Convert to fraction form
640,866.24/961,293.12 = 450,541.44/x - Step 3: Cross multiply
640,866.24x = 961,293.12 × 450,541.44 - Step 4: Simplify right side
640,866.24x = 433,102,386,546.89 - Step 5: Solve for x
x = 433,102,386,546.89/640,866.24 - Step 6: Final answer
x = 675,807.77
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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.