Finding the Fourth Proportional to 634,158.10, 874,637.35 and 561,637.18
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Solution
The fourth proportional to 634,158.10, 874,637.35 and 561,637.18 is: 774,615.75
Step by Step Solution
- Step 1: Write the proportion equation
634,158.10 : 874,637.35 = 561,637.18 : x - Step 2: Convert to fraction form
634,158.10/874,637.35 = 561,637.18/x - Step 3: Cross multiply
634,158.10x = 874,637.35 × 561,637.18 - Step 4: Simplify right side
634,158.10x = 491,228,854,776.67 - Step 5: Solve for x
x = 491,228,854,776.67/634,158.10 - Step 6: Final answer
x = 774,615.75
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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.