Finding the Fourth Proportional to 885,303.70, 1,328,375.68 and 458,759.79
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Solution
The fourth proportional to 885,303.70, 1,328,375.68 and 458,759.79 is: 688,357.39
Step by Step Solution
- Step 1: Write the proportion equation
885,303.70 : 1,328,375.68 = 458,759.79 : x - Step 2: Convert to fraction form
885,303.70/1,328,375.68 = 458,759.79/x - Step 3: Cross multiply
885,303.70x = 1,328,375.68 × 458,759.79 - Step 4: Simplify right side
885,303.70x = 609,405,346,851.01 - Step 5: Solve for x
x = 609,405,346,851.01/885,303.70 - Step 6: Final answer
x = 688,357.39
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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.