Finding the Fourth Proportional to 854,128.74, 1,178,877.87 and 710,749.02
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Solution
The fourth proportional to 854,128.74, 1,178,877.87 and 710,749.02 is: 980,983.61
Step by Step Solution
- Step 1: Write the proportion equation
854,128.74 : 1,178,877.87 = 710,749.02 : x - Step 2: Convert to fraction form
854,128.74/1,178,877.87 = 710,749.02/x - Step 3: Cross multiply
854,128.74x = 1,178,877.87 × 710,749.02 - Step 4: Simplify right side
854,128.74x = 837,886,290,802.19 - Step 5: Solve for x
x = 837,886,290,802.19/854,128.74 - Step 6: Final answer
x = 980,983.61
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.