Finding the Fourth Proportional to 566,657.23, 781,988.84 and 308,537.23
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Solution
The fourth proportional to 566,657.23, 781,988.84 and 308,537.23 is: 425,782.39
Step by Step Solution
- Step 1: Write the proportion equation
566,657.23 : 781,988.84 = 308,537.23 : x - Step 2: Convert to fraction form
566,657.23/781,988.84 = 308,537.23/x - Step 3: Cross multiply
566,657.23x = 781,988.84 × 308,537.23 - Step 4: Simplify right side
566,657.23x = 241,272,670,584.51 - Step 5: Solve for x
x = 241,272,670,584.51/566,657.23 - Step 6: Final answer
x = 425,782.39
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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.