Finding the Fourth Proportional to 880,681.84, 1,215,341 and 498,782.44
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Solution
The fourth proportional to 880,681.84, 1,215,341 and 498,782.44 is: 688,319.80
Step by Step Solution
- Step 1: Write the proportion equation
880,681.84 : 1,215,341 = 498,782.44 : x - Step 2: Convert to fraction form
880,681.84/1,215,341 = 498,782.44/x - Step 3: Cross multiply
880,681.84x = 1,215,341 × 498,782.44 - Step 4: Simplify right side
880,681.84x = 606,190,749,412.04 - Step 5: Solve for x
x = 606,190,749,412.04/880,681.84 - Step 6: Final answer
x = 688,319.80
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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.