Finding the Fourth Proportional to 671,701.44, 926,909.28 and 403,377.60
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Solution
The fourth proportional to 671,701.44, 926,909.28 and 403,377.60 is: 556,637.84
Step by Step Solution
- Step 1: Write the proportion equation
671,701.44 : 926,909.28 = 403,377.60 : x - Step 2: Convert to fraction form
671,701.44/926,909.28 = 403,377.60/x - Step 3: Cross multiply
671,701.44x = 926,909.28 × 403,377.60 - Step 4: Simplify right side
671,701.44x = 373,894,440,784.13 - Step 5: Solve for x
x = 373,894,440,784.13/671,701.44 - Step 6: Final answer
x = 556,637.84
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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.