Finding the Fourth Proportional to 648,678.24, 895,110.72 and 444,903.12
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Solution
The fourth proportional to 648,678.24, 895,110.72 and 444,903.12 is: 613,921.55
Step by Step Solution
- Step 1: Write the proportion equation
648,678.24 : 895,110.72 = 444,903.12 : x - Step 2: Convert to fraction form
648,678.24/895,110.72 = 444,903.12/x - Step 3: Cross multiply
648,678.24x = 895,110.72 × 444,903.12 - Step 4: Simplify right side
648,678.24x = 398,237,552,073.45 - Step 5: Solve for x
x = 398,237,552,073.45/648,678.24 - Step 6: Final answer
x = 613,921.55
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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.