Finding the Fourth Proportional to 695,855.98, 1,042,011.69 and 458,479.18
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Solution
The fourth proportional to 695,855.98, 1,042,011.69 and 458,479.18 is: 686,551.07
Step by Step Solution
- Step 1: Write the proportion equation
695,855.98 : 1,042,011.69 = 458,479.18 : x - Step 2: Convert to fraction form
695,855.98/1,042,011.69 = 458,479.18/x - Step 3: Cross multiply
695,855.98x = 1,042,011.69 × 458,479.18 - Step 4: Simplify right side
695,855.98x = 477,740,665,181.61 - Step 5: Solve for x
x = 477,740,665,181.61/695,855.98 - Step 6: Final answer
x = 686,551.07
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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.