Finding the Fourth Proportional to 864,779.70, 1,293,670.35 and 759,803.70
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Solution
The fourth proportional to 864,779.70, 1,293,670.35 and 759,803.70 is: 1,136,631.12
Step by Step Solution
- Step 1: Write the proportion equation
864,779.70 : 1,293,670.35 = 759,803.70 : x - Step 2: Convert to fraction form
864,779.70/1,293,670.35 = 759,803.70/x - Step 3: Cross multiply
864,779.70x = 1,293,670.35 × 759,803.70 - Step 4: Simplify right side
864,779.70x = 982,935,518,510.30 - Step 5: Solve for x
x = 982,935,518,510.30/864,779.70 - Step 6: Final answer
x = 1,136,631.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.