Finding the Fourth Proportional to 722,473.66, 1,083,494.42 and 453,011.08
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Solution
The fourth proportional to 722,473.66, 1,083,494.42 and 453,011.08 is: 679,381.14
Step by Step Solution
- Step 1: Write the proportion equation
722,473.66 : 1,083,494.42 = 453,011.08 : x - Step 2: Convert to fraction form
722,473.66/1,083,494.42 = 453,011.08/x - Step 3: Cross multiply
722,473.66x = 1,083,494.42 × 453,011.08 - Step 4: Simplify right side
722,473.66x = 490,834,977,378.17 - Step 5: Solve for x
x = 490,834,977,378.17/722,473.66 - Step 6: Final answer
x = 679,381.14
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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.