Finding the Fourth Proportional to 564,750.68, 779,426.16 and 322,999.70
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Solution
The fourth proportional to 564,750.68, 779,426.16 and 322,999.70 is: 445,779.75
Step by Step Solution
- Step 1: Write the proportion equation
564,750.68 : 779,426.16 = 322,999.70 : x - Step 2: Convert to fraction form
564,750.68/779,426.16 = 322,999.70/x - Step 3: Cross multiply
564,750.68x = 779,426.16 × 322,999.70 - Step 4: Simplify right side
564,750.68x = 251,754,415,852.15 - Step 5: Solve for x
x = 251,754,415,852.15/564,750.68 - Step 6: Final answer
x = 445,779.75
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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.